More specific info on NFL.com.
Current contracts = 51 (only the top 51 apply at this point iirc)
Prev Yr Carry over = $2,422,689
Adjustments = $128,037
Total Cap = $125,550,726
Current Cap Used = $120,638,466
Available Space = $4,912,260
http://www.nfl.com/news/story/0ap100...-each-nfl-team