You can get a used (2002) MV Agusta for about $8K nowadays...
http://www.cycletrader.com/find/listing/2002-MV-AGUSTA-F4-92192066
Riding one isn't too bad at all. Remember that you have to get off the bike at every fuel fill-up anyhow...
My favorite Aprilia is the FALCO SL1000R: