I did the math:

BTCFPGA bASIC $1069.99 ÷ 27GH = $39.63/GH
1 year warranty
projected to ship in November/December of 2012

BFL Single 'SC' $1299.00 ÷ 40GH = $32.48/GH
6 month warranty
projected to ship in October of 2012

but yes, competition is good.