Crucial.com - 256MB 200-pin SODIMM DDR PC2100 Notebook Memory for $72.89 Shipped
I got an HP laptop from the crazy Staples deal several months ago and I love this new toy and all, but the lack of memory in this bad boy is just driving me crazy. If you are on the same boat as me, or just feel like you want more RAM in general, you should probably check this out.
Click here to go to Crucial. CRUCIAL
Then find the name of the manufacture and model of your computer on Crucial and they will tell you what kind of RAM you need. If you are looking for more specific ones, just enter it under Crucial Product Search on the top right hand corner.
Search for CT268010 for the 256MB DDR laptop memory (HP Pavilion ZE4100).