As far as I know these deals are good for this week.

Vita system
Sony PlayStation Vita WiFi 22031 - Best Buy

Other vita things are on sale like the 32GB memory card for $80
Sony Computer Entertainment America 32GB Memory Card for PlayStation Vita 22041 - Best Buy

And according to the weekly flyer, get $10 off a 12-month PS+ sub if you purchase a vita.!/video+games2