Adorama's okay, but check warranty length. Gray market lenses can void manufacturer coverage, even new.
MyHeritage? Hmm, haven't tracked their sales. For performance gains though, look at a COBB Accessport. Maybe $700, but *way* more fun than family...
Hey! No Mpix codes right now, sorry. But thinking about those prints... are they going *in* your car? If so, use fade-resistant ink! Sun's brutal...