TRG is an accurate and reliable rifle, one of the best in the world (in sniper-class rifles). Accuracy is good, with match ammo i've grouped around 1/2 moa @300m. Häyhä memorial is ruled by the TRG-42 (though it's in .338LM mostly).
I like the bipod solution, where the rifle hangs below the attach/hinge point, thus the weight of the rifle stabilizes it. Au contraire to typical solution, where rifle is above the hinge point.
But when you actually buy one, don't insult it with sub-standard optics.I won't say it's the only solution, but all TRG-s I've seen have Zeiss scopes on them.
What more you want to know? PM with specific questions if you want, I'll ask them from our snipers.