I shot a mix of ego and pump cocker to the tune of 1 case last year. I would expect closer to 2 cases for me this year as I no longer have a pump. As far as what to shoot... you see EVERYTHING. Last year I saw a bow, at least 2 pirated KPs, about 500 milsim tippmanns, another 150+ pumps(snipers/phantoms/azodin kps, etc...) and the other 500 players using mechs/electros. Oh, and probably 60-70 havoc launchers. Figure on at least 1 case per day for electro, 1/2 case per day for mech, and unless you A/T you can try and buy a case with someone if you pump.