Just for comparison sake, a Macbook Air. http://www.apple.com/macbookair/specs.html
Just about the same weight and pixel density. No optical drive either. But it uses a Core 2 Duo built with a 65 nm process at 20 watts TDP. The Core 2 Duo will be slightly faster but both of these parts (the Core 2 Duo and the Pentium Duo you have) are Pentium M derivatives. The Macbook only has 120 gB hd. It does have better graphics and better second monitor options.
And even Steve Jobs only said it will get 5 hours of battery life which means 3 hours. I'm not being cynical, that is the truth.
Your little machine is a designed to be an efficient, light, mobile laptop.