According to the Wall Street Journal, an unveiling is scheduled for March 2
A pair of reports out of Apple’s (AAPL) Asian supply chain suggest that two of the company’s biggest product updates of 2011 may be facing delays. Meanwhile, all signs continue to point to the launch of a refreshed crop of MacBook Pros on Thursday, just in time for Steve Jobs’ 56th birthday. Also on Fortune.com: [Follow Philip Elmer-DeWitt on Twitter @philiped]

[UPDATE: Reuters, citing an unnamed source “familiar with the matter,” has retracted its report of an iPad 2 delay. The Loop‘s Jim Dalrymple, citing no sources, has declared both delay reports “not true.” And All Things Digital‘s Kara Swisher has announced that Apple will hold an iPad 2 event on March 2. No source for that one either. It’s been a busy day for Mr. Unnamed Source. Apple’s shares, however, were still down more than $10 in mid-afternoon trading.]
