I started shooting/reloading earlier this year, so take this for what it's worth.
I only load 9mm and .45acp. So far, I have reloaded about 3,000 each. I like 231 as well. Currently I'm using WST (45) and WSF (9mm) because 231 was unavailable at the time. I have worked up TG loads for various bullets.
I don't like using TG for 9mm for several reasons. First, my powder measure doesn't like to throw such light charges consistently. Second, considering that inconsistency, a fast burning powder and small volume cartridge, I'm a bit concerned about over pressure issues. With such light charges, even small variations are a lot, percentage wise. Third, it's difficult to see the small charge in the bottom of the case while in the press. After 2 squibs, I now visually confirm powder in every case. I've also added a vibrator to the powder measure, which has so far eliminated bridging and no-powder drops, but haven't tried it with 9mm/TG.
No problems with .45 at all. TG gives a sharper recoil response than WST and 231. It seems to be quite accurate once above the cream puff loads, even at 25 yards (no bench rest).
One range observation though, TG likes to throw spent powder all over my forearms and the bench. Keep a container of handy wipes, well, handy.