Please help me decide on what to buy?

i got a list of upcoming ps3 games coming out later so which 1 or 2 should i get:asins creed reveltns, batman-arkham city, birds of steel, cod mw3,madden 12,nba 2k12, nhl 12, saints row 3, spiderman-edge of time, supremacy mma, ufc undisputed or wwe svr 12..........or save up for my cousin's truck?