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I used Opera for the longest time on my Charge and I really liked it, but it got to the point where my Charge was barely coping so I've reverted back to the stock Gingerbread browser.
I use chrome as my daily desktop browser so I like the consistency. Of course, I'm not a heavy mobile browser, so performance and whistles and bells aren't really a big concern for me.
I do like Opera better on my tablet, but it just doesn't do enough for me to use it primarily on my phone. I've never had Chrome bog down like you describe. Maybe I'll do a little testing later. Are there any sites that you know will recreate the problem consistently?
Chrome Beta. It gets much more frequent updates than the regular Chrome browser. The beta browser is on the same version as the desktop counterpart. No stability issues or glitches to report.

This ^^Boat and/or xScope.
Tried Chrome and I really wanted to like it, but I'd always end up reverting back to xScope.