Pros Huge speed boost from previous version Vastly improved support for HTML5 Useful new App Tabs Cons No H.264 video support in HTML5 Still lags Safari and Chrome in non-Javascript functionality A few rendering hiccups Related Articles Advice from an Apple Tech: When your Mac takes a fall T-Mobile wins 3G shootout, Sprint and Verizon speeds fade Share on Facebook Share on Twitter Share on Google+ Share on LinkedIn Share on Pinterest