I suggest one of the modular solutions from Brent Averill or Old School Audio. You'll need a frame, which holds six preamps, but once you have it, preamps are around $500 each. If I had $1000 I'd get the frame and one preamp. Then when you have another $500, get another.
It's worth the wait.
check out the 312A:
http://www.brentaverill.com/
then there's:
http://www.oldschoolaudio.com/