What are the benefits of using HTML5 and CSS3 a) from development perspective b) from end user perepective ?
I know the standard CSS3 things like border radius, gradient, transforms ,etc
Also any downside of using HTML5 apart from lack of support in older browsers ?
Look here : http://www.html5arena.com/blog/html5/10-major-advantages-of-html5/
there you’ll find 10 major advantages of using HTML5
Also the browser support : http://html5test.com/results.html or http://www.deepbluesky.com/blog/-/browser-support-for-css3-and-html5_72/
The disadvantages : http://dvirbab.blogspot.com/2010/03/disadvantages-of-using-html-5.html
Soon, the HTML5 standard will be able to work properly on all browsers.