There is nothing that cool in the new firmware at least if you are in India.
Web clips : will work but really do you want to put icons to site you go to on your home screen not that exciting to me at least.
Multiple user Sms, seriously how can that be a feature. There is already an app that does multiple user sms on iphone
Changing the order of icons on home screen : that seems cool but that is the only good one. For that one feature do you want to risk bricking your iphone.
here are some alternative that will do the same thing for you if you know how to install apps on the iphone
Lyrics: use a program called tunewiki to get the lyrics while playing songs. here too most of the Indian songs won't work, but the English songs work. i have tried it.