I just downloaded it too; everything fine here (Ubuntu server 13.10 64bit, i7 960, 6g RAM)
Is these the new version? I just want to make sure, please:
{
"version" : 85300,
"protocolversion" : 70001,
"walletversion" : 60000,
"balance" : 0.00000000,
"blocks" : 527,
"timeoffset" : 0,
"connections" : 2,
"proxy" : "",
"difficulty" : 0.00001186,
"testnet" : false,
"keypoololdest" : 1387115963,
"keypoolsize" : 100,
"paytxfee" : 0.00000000,
"unlocked_until" : 0,
"errors" : ""
}