Avalon ASICs, offering 60 GH/s for $1,299. These are scheduled to come out on Jan 19.
Butterfly Labs, offering the 60 GH/s Single SC for $1,299. These are scheduled to come out slightly ahead of Avalon.
BTCPFGA’s bASIC, offering the 72 GH/s bASIC NextGen Bitcoin Miner for $1,069. Unfortunately, BTCFPGA has been suffering serious delays, and its projected shipping data now appears to be the second half of March.
ASICMiner, not offering any physical product, but expected to contribute at least 2.8 terahashes, and likely more, to the 23-terahash Bitcoin network.