Let's take a quick look at multitouch on the Sprint Evo 4G, shall we? In daily use, it's been holding up just fine. Pinch-to-zoom works as it should, and the touchscreen is as responsive as you'd expect.
In comparing it to the Nexus One -- which has well-documented quirks with its touchscreen -- the Evo 4G seems to pass our little test OK. (And here's our video of multitouch on the Verizon Droid Incredible, too.) The points didn't follow my fingers quite as quickly as I might have liked, but, again, real-life use hasn't been impacted.