Pepsi Stuff works by collecting codes from participating packages and then entering them through an Amazon.com user account on PepsiStuff.com. Currently on offer: DRM-free MP3 music downloads, Unbox TV downloads, CDs, DVDs, electronics, sweepstakes, and various Pepsi-branded apparel “and more.” The Flash-based site can still be a bit rough around the edges (as on the daily sweepstakes page occasionally in Firefox), but an incentives program for those who prefer Pepsi is a good counter to Coke’s rewards.

Promising rewards for casual drinkers might include the Amazon MP3s which only go for 5 Pepsi Points per download. This isn’t quite like acquiring music for a song, however, as certain Pepsi product values can seem relatively low, as seen here from the official rules:

Depending on local sales, the 6 pack of 24 oz. bottles might be the most economical way to pick up Pepsi Points (and MP3s, depending on your prize preference), as that equates to essentially a song per 6 pack. Now the 2 liter of Diet Pepsi MAX I tried out recently didn’t have a Pepsi Points code under the cap, so make sure you’re buying specially marked cartons to take advantage of this program.

Now that Pepsi’s put out its competing points and rewards shtick, here’s hoping that Coke responds aggressively with even better incentives to remain faithful to its products. Competition is good. Another reason to buy Wild Cherry Pepsi? Even better.