I have $5000 to spend . for my project studio . i have read many messages. on this very same subject." what to buy" i know im gettin an MPC 2000XL , Triton 61 key, but what else do i need. i have cubase, and some others. for software. on an AMD 1.6 Athlon 512mb ddr ram, 2 40 ibm drives. what do i need to hook all this up. and record. ?????