Performance is much improved on Linux these days (at least the x64 version). My Macbook Pro running Ubuntu 9.10 uses about 5-10% CPU at most for flash video, a

Performance is much improved on Linux these days (at least the x64 version). My Macbook Pro running Ubuntu 9.10 uses about 5-10% CPU at most for flash video, and usually a little less for flash-only sites. The only problem is that when it crashes the browser is sans-flash until you restart it.