Anyone has past experience with sluicebit.com ?

Here is what they say on their site:

Worlds First FPGA Litecoin Miner - Refundable Deposit $100.00
 
SluiceBit II - 2 Megahashes @ 100 Watts
SluiceBit IV - 4 Megahashes @ 115 Watts
Suggested Retail Price: $2500 & $4500  
Worlds First FPGA Litecoin Miners

RESERVE YOURS BEFORE THEY ARE GONE