Bookings for the iphone 3G in India has started at Vodaphones Website:
http://www.vodafone.in/existingusers/iphone/pages/book-iPhone.aspx

I foresee 2009 being the year of the Mobile Web were most websites should have at least rudimentary support for the iPhone. Facebook does have an iPhone counterpart.

It shouldn't be too difficult to have RSS styled iphone counterparts of websites with images automatically resized for the iphones smaller screen of 480 by 320 pixels (163 ppi)¹.

1-Official iPhone 3G Specs and Image can be found at:
http://store.apple.com/us/browse/home/shop_iphone/family/iphone