The Trek 7.2 FX looks pretty reasonable for the price. People have crossed the entire US on lesser bikes.
On the plus side, it has a long wheelbase and longish chainstays. It has mid-fork braze-ons for solid mounting of a front rack. (I strongly recommend using a front rack as well as a rear rack on this bike. If the wheels are even a little bit iffy, the symmetrical front wheel is far stronger than the dished rear for carrying part of the load.) A 28x32 low gear will probably get the job done for anything less than mountain passes. Walk up a few hills if you have to. It still counts as touring.
On the minus side (for me) is the flat handlebar. Some bar ends and maybe some Ergon grips would help quite a bit. I personally prefer dropped handlebars or trekking bars, but lots of people tour successfuly with flat bars. The upright position is hard on my butt with anything less than a tractor seat. I don't like my hands lower than my butt either (on a loaded touring bike). Body position on a bike is a personal choice and people tour successfully with whatever works for themselves.
I'd want to make sure the pedals are up to the task. Cheap nylon-body pedals can split or break before too many miles have passed beneath them. Of course, I'd switch the pedals to SPD's for touring, anyway, if it were my bike.
I'm neutral on the trigger shifters. On a new bike, you're not likely to have much trouble with them. Even if you do, it's not like you'll be in a remote African desert, hundreds of miles away from someone who knows how to fix them. I'd want to put some miles on the bike before I left for a tour to make sure the cables are seated in and well adjusted.
All in all, there aren't too many choices for loaded touring at that price point. This bike looks reasonable.