I've got a PRS2 with a lot of the bells and whistles added that bring it up to a similar level as the TCS (Sikes Clutch, Area 419 weighted rail, mini-chassis, buttpad spacers to get 15" length of pull) and after handling a TCS I'd say I'm just as happy with the PRS2. Now with that said, all the goodies certainly get you up to the price point of a TCS so you're not saving any money going that route. I don't feel that I need the adjustability of the buttplate that the TCS offers, 15" is just about perfect for me.
If you want something NOW, then go with the PRS2 (plenty available in the sales forum) and then have Manners add the goodies that you want. Usually only takes a couple weeks. You can get almost all the functionality of the TCS that way. Or you can wait for 6-8mo. for a TCS. Either route are great options!