ID:102187
 
Keywords: 64, bit, flash, linux
http://labs.adobe.com/technologies/flashplayer10/

According to a few people I've talked to, it's pretty good as well (considering it's flash, that is).
Its alright. Theres been a few memory leaks and some of the embedded flash has slowed down the computer due to it hogging the CPU.

64-bit Firefox is good aswell http://nightly.mozilla.org/