To give you an idea: the VU dev team recently posted some figures. I think after T1 and T2 went public for free, their total sales/downloads were 350k for T1 and 400k for T2 all time. T:V to date might have 40k copies. Thus, they dropped the patch they were planning for the game, the developers hated the UT engine because of how difficult it was, and they needed some of the functions promised in the patch. Plasmatic (pretty much all of annihilation since 1.31) had planned an annihilation mod for T:V then dropped it because he was so frustrated with the way VU had handled things. The VU dev team also said that as of right now, the Tribes name would never be given to another game... That's what Sierra gets for shutting down the Dynamix branch and licensing off the name to second rate coders.
Oh, almost all client side scripting was removed except for a glitch that gave anyone and their graindmother perfect shots with chain-gun turrets and sniper rifles... bucklers also.
Oh, and why the hell would you WoW? Guild Wars for life biotches!