Runs well for me, consuming about 50mb of memory on average (previous version was around 40mb), got as high as 70mb.
Takes only a few seconds to load with an empty wallet, about 30 - 40 seconds with a wallet containing a few hundred addresses
Socks proxy mode working well, direct connection also working well
One issue I found, I was running "bitcoin-qt.exe -server" and then did a "bitcoind.exe signmessage blah blah" and the bitcoin-qt.exe crashed out. Then issuing a "bitcoind.exe signmessage