I think SFIV is a game for the long-run, it will sell millions through entire generation selling a few thousands per week. Many people don't have sure about the quality of this game, considering the others 3d SF they have a good reason, so they haven´t bought in realese, but with the time one person tell other that have played SF2 and miss the golden time of the franchise buy the game and tell to other. I think this game won't go down of top 10 for a long time and may never go down of top 50.

true true this game is pure gold I have play today 5 hours straight and can get enough of it so perfect woot!!!!! ( sorry if I misspell something)

Um...I don't want to be a Debbie Downer here, but those are extremely unrealistic expectations. The sales show that the hype was mostly an online affair, nothing more. There are three huge releases coming up (KZ2, Halo Wars, and RE5) that will surely eat up many potential SF sales. Tekken 6 is also coming later this year, and T6 will surely cannibalize any holiday boost SF4 might've had.

SF hasn't been the king of fighters (no pun intended here) since the 16-bit era. This game will do well (2 mil LTD between both systems is my estimate), but there's no way it's going to be the monster that you predict.

it won't, but the game deserves them.

No monster legs for SFIV imo... Too hardcore and versus fighting is not a popular genre these days.

It should do b/t 1/4 and 1/6 as well as SSBB.

Note, I expect SSBB to sell b/t 10-12 million.

Tekken 6 will kill any legs street fighter may of had. even though this street fighter is the best in the series

Street Fighter IV should hold up awhile. Maybe not monster legs, but I can see anyone who is a Street Fighter fan getting around to getting it eventually. I don't think Tekken 6 will do that. Tekken 6 may actually draw sufficient attention to fighting games again that they get a resurgence. This is a bit like how Call of Duty didn't kill off Gears or Halo (and will see about Killzone 2).

Let's not forget that SF4 costs $60 (although the used Xbox 360 version is already going for $40). Super Street Fight 2 Turbo HD Remix costs a lot less and comes with the Resident Evil Xbox 360 Elite.