What kind (how many) cabs do you have? If you have two 8x10s or 4x15s, you will never need another amp.
I have a pair of 4 ohm Carvin 2x10 neo cabs and a 4 ohm SWR 2x15 with Kappalites.
What three heads did you get? Cheers.
2 - Trace Elliot V-Type 300h
1 - SUNN Coliseum 300