As expected, a number of people are choosing to line up at Apple’s retail stores across the U.S. in preparation for the official launch of the iPad 2 at 5:00 p.m. local time this evening. iLounge reader Peter Cruz sent in the above shot from outside the Apple Store in Pasadena, CA, where roughly 70 people were in line. Two of iLounge’s editors report that a significant line has formed at the Walden Galleria Apple Store in Buffalo, NY;…