Typical synthesis area targeting Virtex-E:
spacewire_amba  : 1143 DFF, 1906 LUT, 4 BLKRAM
spacewire_noamba:  483 DFF,  475 LUT, 2 BLKRAM

Typical frequency (without external constraints) on Virtex-E: 
 75 MHz on the host interface clock 
120 MHz on the RX/TX clocks.