David Gibson at the New York Times examines another attempt to discern what Jesus really looked like. Looking at two of their 'Jesus' pictures I think we can pretty much rule out Him looking like an Anglo-Saxon or a sub-Saharan African. Probably the first-century Semitic man option is the best:
...the average man of Jesus' day was about 5 feet 3 inches tall and a bantamlike 110 pounds. Given the harsh conditions, especially for working stiffs like the members of Jesus' family, combined with Jesus' ascetic lifestyle, which included walking everywhere, scholars agree that he was most likely a rather sinewy peasant, as tough as a root and about as appealing.
Anything that pulls the popular image away from the 'wimpy' Jesus is a good thing in my book.