I prefer Resistance: Fall of Man over Gears as well, IMO Gears offered lame storytelling, poor acting performances, more caged feel and the endboss and tank section was unimpressive and really annoying. Resistance had more stuff going on, while Gears felt a little slow in comparison.
In terms of graphics polish Gears easily bests Resistance, the cover system was a good choice (inspired by a shooter game on the PS2 I might add). This year I think Killzone 2 and Resistance 2 will go significantly beyond what Gears of War 1 & 2 will provide in graphical excellence, allowing people to look back and do less hyped comparisons of graphics and concentrate on the game design itself.