Amazon is cheaper on some & hasn't matched other yet since the deals are just going live. Links provided in advance.
Soul Sacrifice
http://www.bestbuy.com/site/Soul+Sacrifice+-+PS+Vita/5720748.p?id=1218686494545&skuId=5720748
http://www.amazon.com/Soul-Sacrific...qid=1370153383&sr=1-1&keywords=soul+sacrifice
Sly Cooper Thieves in Time
http://www.bestbuy.com/site/Sly+Cooper%3A+Thieves+in+Time+-+PS+Vita/7850486.p?id=1218861156202&skuId=7850486&st=sly cooper thieves in time playstation vita&lp=1&cp=1
http://www.amazon.com/Sly-Cooper-Th...38&sr=1-2&keywords=sly+cooper+thieves+in+time
Smart As Amazon is cheaper $18
http://www.bestbuy.com/site/Smart+as...+-+PS+Vita/6835433.p?id=1218808390967&skuId=6835433
http://www.amazon.com/Smart-As-play...&qid=1370153955&sr=1-1&keywords=smart+as+vita
32GB Memory Card
http://www.bestbuy.com/site/32GB+Me...757256.p?id=1218523194716&skuId=4757256&st=ps vita memory card&cp=1&lp=4
http://www.amazon.com/32GB-PlayStat...073&sr=1-1&keywords=32+gb+ps+vita+memory+card
Keep in mind E3 is close so they're maybe a price drop on the memory but BB does pm themselves or return/rebuy if needed.
Soul Sacrifice
http://www.bestbuy.com/site/Soul+Sacrifice+-+PS+Vita/5720748.p?id=1218686494545&skuId=5720748
http://www.amazon.com/Soul-Sacrific...qid=1370153383&sr=1-1&keywords=soul+sacrifice
Sly Cooper Thieves in Time
http://www.bestbuy.com/site/Sly+Cooper%3A+Thieves+in+Time+-+PS+Vita/7850486.p?id=1218861156202&skuId=7850486&st=sly cooper thieves in time playstation vita&lp=1&cp=1
http://www.amazon.com/Sly-Cooper-Th...38&sr=1-2&keywords=sly+cooper+thieves+in+time
Smart As Amazon is cheaper $18
http://www.bestbuy.com/site/Smart+as...+-+PS+Vita/6835433.p?id=1218808390967&skuId=6835433
http://www.amazon.com/Smart-As-play...&qid=1370153955&sr=1-1&keywords=smart+as+vita
32GB Memory Card
http://www.bestbuy.com/site/32GB+Me...757256.p?id=1218523194716&skuId=4757256&st=ps vita memory card&cp=1&lp=4
http://www.amazon.com/32GB-PlayStat...073&sr=1-1&keywords=32+gb+ps+vita+memory+card
Keep in mind E3 is close so they're maybe a price drop on the memory but BB does pm themselves or return/rebuy if needed.