The non-workables do have a bit of a "get 'em on while they're hot factor" that can be a little stressful, that's for sure. AS mentioned before, the key is patience, and some planning. If you're going to use the Dragon links, Moses' advice is sound. I usually do it in 4 pieces: a top run, a bottom run, and then the ends. The T-34 tracks are quite saggy between the road wheels on top, so you may want to build a run from the top of the idler to the top of the drive sprocket (not really a "sprocket on the T-34 though, eh?) for each side and push 'em down onto to the wheels to get that bumpy road sag look. The problem I always have is being one link (or link unit) too long or too short, and with the T-34 style tracks (two links per"unit") you could get in big trouble hitching it all up. so you need to be careful and make sure it all adds up. It would be nice if the Dragon kits told you how many links you need. Does the T-34/85 kit give you a clue? The M4A3E8 JGSDF Sherman I built sure didn't, but Armor Modeling had a life-saving article that gave precise numbers.
Another trick I use is disposable wooden chopsticks to line up everything. A big problem I notice with links on some kits is an unnatural unevenness. I use the chopsticks (one on each side of the track horn) to line up and flatten the tracks as I'm making lengths. When I'm done, they're straight and smooth and ready to be shaped to the running gear.
But Moses is right: the Friul or Modelkasten trax are the better, easier, and quicker way to go.
They ain't cheap, though.
But they look great!
Good luck with whichever path you choose.
I think the best advice overall is: Just Do It!