Comcast will pop a cap on your bandwidth in October 250GB, or "125 standard definition movies," will be Internet service provider Comcast's new cap on monthly bandwidth usage for downloads, according to a release from the company — which confirms some rumors and shoots down others . Which is 200GB short of what cranky customer Dave Winer has been reported to use . Better send some cupcakes to your friendly Comcast support representatives on Twitter for overage indulgences. [DSL Reports ]