Jess,
Well, like I said, there is a thinline between punk, indy rock and hardcore. Like, i dont know that I would call AFI or Thursday punk... but I would call them hardcore... which is damn near the samething. Although, i dont know if Thursday every got played on MTV.... just MTV2 maybe.
You could make a strong argument that the White Stripes and the Strokes are punk. They are HEAVILY influenced by the NY original punk bands. They are both very much in the veign of the Ramones and the sex pistols, etc.
Who knows what they call themselves though.
---Andrew