alright guys, i don't know much about amps, i'm more of a bass junkie. right now i've got an ampeg ba-115sp bass cube combo, and it's time to upgrade. any suggestions on a head that i could get for under $800? i play mostly rock/jazz/indie-rock type range. any ideas? i'm gettin my 4th paycheck at the end of next week, and i'll have about $725 i guess. i play a fender MIA jbass along with an ovation celebrity 5, and occasionally an ibanez sr 305 as a backup and an essex p-bass copy fretless that i'm refinishing. help!