Haha, the fact they're on top of a NES makes it all the more better. Unfortunately for me, i'm in the UK, so no chance i'll ever see one in store.
You poor, deprived child... I've got one of the largest Slurpee addictions on the planet...it clocks in somewhere around 1200 liters a year...not too shabby, eh?
I was at 7-11 yesterday. They had theses posters advertising Halo, it was advertised on the machine but still...no cups!! Nearly went crazy.