The main advantage 1024x600 has over 800x480 on any screen size is you can fit the whole width of most standard web pages on in one go without having to scroll width ways. To be honest while the ipad may not be true wide screen having the extra 168 pixels on the bottom (1024x76
is even better because most websites will fit in fully without more unnecessary added vertical scrolling either, this is where most net books lack IMO. 1366x768 would be amazing though IMO although probably too much on 7 inches. However when you actually see ludicrously high pixel density on devices like the iphone 4 or Sony Vaio P you start to realise just how amazingly sharp and crisp things can look.
I am not sure but the samsung android galaxy tape tablet should have 1024x600 on 7 inches. This is really what I am pinning my hopes on to be the first really strong performing android tablet mainly due the fact the 1.2Ghz Cortex Hummingbird CPU is said to be more powerful than both the apple A4 cpu in the ipad and any of the current 1ghz snapdragon cpu's available.
On the lookout for an Android Tablet Blog: http://themonesthere.blogspot.com
(Relaunch Soon, with any luck)