We haven’t posted much about games on Backstage in recent months, but today’s North American release of Capcom’s Street Fighter IV for the PlayStation 3 and Xbox 360 ($60 each) had us dusting off our consoles for the first time in ages. It may or may not be a mild exaggeration to say that gamers have been waiting 17 years to play this title: for those who may be unfamiliar, Street Fighter II was a literally breakthrough one-on-one…