In a sane world, that would be the
only salient point. But the difference here is economies of scale vs marketplace, I'll wager.
The G1200 is aimed at the school student/hobbyist/gizmo addict; a much larger market than the USB one intended for professional/semi-professional use. As a result, the G1200, etc can be produced very cheaply, even including a mostly superfluous 5-7" LCD (that costs a few dollars in bulk) compared to a USB only model that will be marketed to a much smaller, more technically savvy market.
Sadly, you can get a better camera and a better elevator and a LCD you don't need, and still pay less simply because the device can be produced in larger quantities per run.
Just out of curiosity, how much did you pay for yours/which model? I see a number of different USB-only AndonStar models at a huge variance in prices.
mnem