With the release of Lockdown I feel like there should be some addition prizes added to the bribe pool or the coin shop. The bribe prizes were geared towards bomb heads before, but I think some new lockdown type costume or other prize should be released. The same kind of idea goes with the coin shop.
Also, since the rankings reset, I think there should be some sort of bragging rights prize to the top 10 players every week. I'm not sure what the prize should be but I just think there should be one.
EDIT: Also there should be some sort of trade in place for prizes you get multiples of. Since the costumes are bound, there is no point in winning two of the same prize.
+1 for some non-bomb stuff
+1 for ability to trade off multiples (because with my [crappy] luck at BN that's probably the only way I can get my grubby hands on some of those masks)
0 for bragging rights prize because meh (don't confuse the 0 as being bad, I just don't care).