After years of disappointment and failed coaches, the San Francisco 49ers have done more than just put themselves back on the football map in 2011 — they’ve put together the type of team that could (key word, could) contend for a Super Bowl title. After a work-man-like 20-3 drubbing of Big Ben and the hurting Steelers, the 49ers showed they’re not playing around. But are they playing well enough…