an someone please explain the difference to me. I am looking at pretty much identical notebooks and this seems like it is the only difference. Help!
well the core duo is newer, so I believe it would be better. What are the mhz that each processor is that you are looking at? Core Duo is better.
Go with the HP Pavilion dv6426us 15.4" Widescreen Notebook PC Its got a faster processor, and a bigger HDD.
Do you think I should upgrade to 2GB of memory. It comes with 1, but it says it is expandable to 2GB. Thanks for your help!
Yes, you should. If you plan on running Vista, then you will need 2 gigs of ram. I have 3, and am running XP. (I do alot of gaming, and video stuff, so I need it.)