The SFxT is a really nice stick, the quality is as good as you can hope for in a Tournament Edition stick. It's slightly lighter which may be less desirable in a static setup.
They are priced at $100 on Amazon, including delivery it's around $120 to your door. Really fast too. Might want to work out bulk shipping or something. Don't think you can beat that. Quality is comparable to a $200 TE stick.
I know the Qanba Q4 is pretty good too, but I enjoy the MCZ stick more, just from the positioning of the start button and being a fair bit more compact. Off the top of my head, the stoppers (rubber guards along the base) aren't as good though but it's nothing you can't fix. I put the stick on a small stool though, so it's probably just me, if you get those grip sheets there's no way the sticks will budge whilst mashing your heart out.
Depends really on how you propose to hire out your equipment/space, offering cheaper alternatives didn't hurt anybody and heck, I'd save a buck or two, because the 'standard' sticks are pretty darn close in replicating the better sticks (also I enjoy the 'dodgey' feel sometimes, in the way it makes you exaggerate your execution motions).
I've looked around for a decent stick when I started going to tournaments and the SFxT fightstick really can't be beat (parts/build quality), anyone that says the stick is inferior to another stick is just being silly, there is nothing you can't do on this stick that you can do on another. Here's the link if you're interested:
http://www.amazon.com/Mad-Catz-Street-Fighter-Tekken-FightStick/dp/B0072A4KU2I'm also certain that the Qanba Q4 will fit the bill as well. If you want to spread setups to a PS3 as well, it may be something else you may want to consider. Quality of the Q4 is equal to any of the TE's, so no worries there. I do like the look of the Qanba stick though, it's highly professional in that regard.