Hi mate
Examples from Amiga Shopper June 1994:
Microbotics:
M1230 XA 33MHz, 0mb £245.99
M1230 XA 40MHz, 0mb £264.99
M1230 XA 50MHz, 0mb £334.99
GVP:
A1230-II 40MHz 68030ec NO MMU, 8mb, £649
A1230-II 50MHz 68030 WITH MMU, 8mb, £779
Hawk: Ram only
8mb, £399
8mb with 40MHz FPU, £499
Hope this helps in some way.