I have this one
http://www.ebay.in/itm/Sandisk-Ultra-SD-SDHC-Card-8GB-Speed-Upto-40-Mbps-DSLR-Camera-Card-with-Warranty-/321880432107?hash=item4af1919deb:g:newAAOSwFnFWC8Fq
Moving to 16 gb will cost double
Plus i wont be playing more than 4-5 games at once
Also I can swap the games anytime...