just thought I'd put it out there, got my 8GB memory card that came with my Vita bundle on ebay for $24.99, with free USPS First Class shipping. Opted to go with a 32GB card instead.
http://www.ebay.com/itm/110831651667?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
http://www.ebay.com/itm/110831651667?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649