While Sony may have its pricey NEX-VG10 camcorder sucking up the limelight at yesterday's showcase, let's not forget the electronic giant's more humble photographic devices. Just a few steps away we stumbled upon these near-identical Alpha A390 and A290 entry-level DSLRs, with the former donning a tilting LCD and live view capability to live up to its bigger price tag. We can't comment on picture quality due to the lack of sample shots, but we were certainly impressed by both cameras' build quality -- kudos to Sony for the much improved grip, and we also liked the firm chassis (plus its vario