diff --git a/src/cpp/ripple/Application.cpp b/src/cpp/ripple/Application.cpp
index b399fcc15..4746d1ef8 100644
--- a/src/cpp/ripple/Application.cpp
+++ b/src/cpp/ripple/Application.cpp
@@ -243,6 +243,9 @@ void Application::setup()
 	mValidations.tune(theConfig.getSize(siValidationsSize), theConfig.getSize(siValidationsAge));
 	mHashedObjectStore.tune(theConfig.getSize(siNodeCacheSize), theConfig.getSize(siNodeCacheAge));
 	mLedgerMaster.tune(theConfig.getSize(siLedgerSize), theConfig.getSize(siLedgerAge));
+	mSLECache.setTargetSize(theConfig.getSize(siSLECacheSize));
+	mSLECache.setTargetAge(theConfig.getSize(siSLECacheAge));
+
 	mLedgerMaster.setMinValidations(theConfig.VALIDATION_QUORUM);
 
 #ifdef USE_LEVELDB
diff --git a/src/cpp/ripple/Config.cpp b/src/cpp/ripple/Config.cpp
index 6a0d3a488..b695650af 100644
--- a/src/cpp/ripple/Config.cpp
+++ b/src/cpp/ripple/Config.cpp
@@ -510,14 +510,23 @@ void Config::load()
 int Config::getSize(SizedItemName item)
 {
 	SizedItem sizeTable[] = { //    tiny    small   medium  large       huge
+
 		{ siSweepInterval,		{	10,		30,		60,		90,			120		} },
+
 		{ siLedgerFetch,		{	2,		2,		3,		3,			3		} },
+
 		{ siValidationsSize,	{	256,	256,	512,	1024,		1024	} },
 		{ siValidationsAge,		{	500,	500,	500,	500,		500		} },
+
 		{ siNodeCacheSize,		{	8192,	65536,	262144,	2097152,	0		} },
 		{ siNodeCacheAge,		{	30,		60,		90,		300,		900		} },
+
+		{ siSLECacheSize,		{	4096,	8192,	16384,	65536,		0		} },
+		{ siSLECacheAge,		{	30,		60,		90,		120,		300		} },
+
 		{ siLedgerSize,			{	32,		128,	256,	2048,		0		} },
 		{ siLedgerAge,			{	30,		90,		180,	300,		900		} },
+
 		{ siHashNodeDBCache,	{	4,		12,		24,		32,			64		} },
 		{ siTxnDBCache,			{	4,		12,		24,		32,			32		} },
 		{ siLgrDBCache,			{	4,		8,		16,		16,			16		} },
diff --git a/src/cpp/ripple/Config.h b/src/cpp/ripple/Config.h
index 501d7aa52..581c7126e 100644
--- a/src/cpp/ripple/Config.h
+++ b/src/cpp/ripple/Config.h
@@ -56,6 +56,8 @@ enum SizedItemName
 	siValidationsAge,
 	siNodeCacheSize,
 	siNodeCacheAge,
+	siSLECacheSize,
+	siSLECacheAge,
 	siLedgerSize,
 	siLedgerAge,
 	siLedgerFetch,
diff --git a/src/cpp/ripple/Ledger.cpp b/src/cpp/ripple/Ledger.cpp
index c2ea6aa91..227f350eb 100644
--- a/src/cpp/ripple/Ledger.cpp
+++ b/src/cpp/ripple/Ledger.cpp
@@ -1020,6 +1020,31 @@ SLE::pointer Ledger::getSLEi(const uint256& uId)
 	return ret;
 }
 
+void Ledger::visitAccountItems(const uint160& accountID, FUNCTION_TYPE<void(SLE::ref)> func)
+{ // Visit each item in this account's owner directory
+	uint256 rootIndex		= Ledger::getOwnerDirIndex(accountID);
+	uint256 currentIndex	= rootIndex;
+
+	while (1)
+	{
+		SLE::pointer ownerDir	= getSLEi(currentIndex);
+		if (!ownerDir || (ownerDir->getType() != ltDIR_NODE))
+			return;
+
+		BOOST_FOREACH(const uint256& uNode, ownerDir->getFieldV256(sfIndexes).peekValue())
+		{
+			func(getSLEi(uNode));
+		}
+
+		uint64 uNodeNext	= ownerDir->getFieldU64(sfIndexNext);
+		if (!uNodeNext)
+			return;
+
+		currentIndex	= Ledger::getDirNodeIndex(rootIndex, uNodeNext);
+	}
+
+}
+
 uint256 Ledger::getFirstLedgerIndex()
 {
 	SHAMapItem::pointer node = mAccountStateMap->peekFirstItem();
diff --git a/src/cpp/ripple/Ledger.h b/src/cpp/ripple/Ledger.h
index 1c7e09c08..b7e3cf524 100644
--- a/src/cpp/ripple/Ledger.h
+++ b/src/cpp/ripple/Ledger.h
@@ -189,6 +189,7 @@ public:
 	SLE::pointer getAccountRoot(const uint160& accountID);
 	SLE::pointer getAccountRoot(const RippleAddress& naAccountID);
 	void updateSkipList();
+	void visitAccountItems(const uint160& acctID, FUNCTION_TYPE<void(SLE::ref)>);
 
 	// database functions (low-level)
 	static Ledger::pointer loadByIndex(uint32 ledgerIndex);
diff --git a/src/cpp/ripple/RPCHandler.cpp b/src/cpp/ripple/RPCHandler.cpp
index 88d78a1f9..974ef89e0 100644
--- a/src/cpp/ripple/RPCHandler.cpp
+++ b/src/cpp/ripple/RPCHandler.cpp
@@ -1101,6 +1101,17 @@ Json::Value RPCHandler::doAccountLines(Json::Value jvRequest, int& cost, ScopedL
 	return jvResult;
 }
 
+static void offerAdder(Json::Value& jvLines, SLE::ref offer)
+{
+	if (offer->getType() == ltOFFER)
+	{
+		Json::Value&	obj = jvLines.append(Json::objectValue);
+		offer->getFieldAmount(sfTakerPays).setJson(obj["taker_pays"]);
+		offer->getFieldAmount(sfTakerGets).setJson(obj["taker_gets"]);
+		obj["seq"] = offer->getFieldU32(sfSequence);
+	}
+}
+
 // {
 //   account: <account>|<nickname>|<account_public_key>
 //   account_index: <number>		// optional, defaults to 0.
@@ -1139,26 +1150,10 @@ Json::Value RPCHandler::doAccountOffers(Json::Value jvRequest, int& cost, Scoped
 		jvResult["account_index"]	= iIndex;
 
 	if (lpLedger->hasAccount(raAccount))
-	{
-		Json::Value&	jsonLines = (jvResult["offers"] = Json::arrayValue);
-
-		AccountItems offers(raAccount.getAccountID(), lpLedger, AccountItem::pointer(new Offer()));
-		BOOST_FOREACH(AccountItem::ref item, offers.getItems())
-		{
-			Offer* offer=(Offer*)item.get();
-
-			Json::Value&	obj	= jsonLines.append(Json::objectValue);
-
-			offer->getTakerPays().setJson(obj["taker_pays"]);
-			offer->getTakerGets().setJson(obj["taker_gets"]);
-			obj["seq"]				= offer->getSeq();
-
-		}
-	}
+		lpLedger->visitAccountItems(raAccount.getAccountID(),
+			BIND_TYPE(&offerAdder, boost::ref(jvResult["offers"] = Json::arrayValue), P_1));
 	else
-	{
 		jvResult	= rpcError(rpcACT_NOT_FOUND);
-	}
 
 	return jvResult;
 }