Sometimes it's the unsung workhorses that deserve the lion's share of the praise, and that might just be the case with the aging Samsung BlackJack II -- a phone that you probably wouldn't expect to top Consumer Reports' January 2009 ratings of popular smartphones. Sure, it may not be the shiniest device on the market these days, but you've got to admit it's just about as functional as you'd ever need a business-class handset to be with GPS, HSDPA, and WinMo 6.1, which gladly sucks up Exchange accounts until you're blue in the face. When you factor in the fact that it runs just $80 these days on an AT&T contract in a choice of four colors okay, yeah, we can kinda see it. The i