Just got a 40T Freud in the post for my TS-200 today. Looks like a decent blade, haven't tried it in anger yet though. I made a few cuts with the included 20T item, the less said about those the better.
Noise wise, it's actually pretty quiet, you can switch it on without ear protection quite safely. Obviously it wouldn't be a good idea to a lot of cutting with it without earmuffs or earplugs, but the general noise level is pretty low. It certainly doesn't have the banshee howl that anything cheaper will have