Kellogg’s currently has a pair of Nintendo promotions that involve a lot of cereal and special codes that can score you 1000 DSi points (worth $10) and a chance to win a Nintendo handheld game system (DS or DSi).

Kelloggs recently launched a Guitar Hero promotion that either offers an in-box premium or a mail-in clothing offer.

Oh yeah, now you can nibble on a box of Pop Tarts while jamming on a mini LCD Guitar Hero game and wearing both your Guitar Hero logo hat and Guitar Hero T-shirt. Cross promotion at its finest.

As usual, you have to look for specially marked packages that give the l’il visual clue which offer your breakfast treat will allow you to cash in on. The promotion…