Avalon systems = 100 Th/s
ASICminer = 250 Th/s
BFL = 300 Th/s
BitFury = 200 Th/s
KnC = 200 Th/s
Are these estimates based on the orders for these or do they also include what these companies might produce to mine for themselves?
Those estimates are based on the follwing:
ASIMINER said they initially bought 50 TH/s. They recently said they've got 200 Th/s incoming.
The Avalon systems number is based on the 3 batches and the number for the chips is based on the amount of BTC in the chip account.
The BFL number is from the 75,000 chips @ 4 Gh/s.
The BitFury number comes from 100TH.
The KnC number comes from the 500 pre-orders, assuming all Jupiters and a bit extra.