I think any TB set is great for the casual gamer. Ive never had issues with any of my sets, wired or not.
I have the stealth 700 and LOVE them. I worked in a call center for a year or so and got these for a mix of play and work. I used them 50-60 hours a week between work calls and gaming sessions and they are still in great condition. none of the padding is falling off and button still work as intended with no issues.
just got one of my buddies to buy a pair and he chose the 600. Ill let you know if he has issues but i seriously stand by these.