What bad performance? IME, my Nexus One browser is slightly less smooth to scroll, but faster at redraw than the browsers on my (admittedly, slightly old at this point) iOS devices. It's a toss-up, really.

Question: do you have Flash installed? I had to uninstall it completely, because even the "on demand" option for browser plugins didn't disable it reliably.

(Biggest problem I have with my iOS devices (an iPod Touch and 1st gen iPad) is that they run out of charge on standby, from lack of use...)