Its kind of old now, and I can't afford to get a new laptop...
I upgraded my two year old Toshiba 18.4 notebook with 8gb of ram and a plextor 256mb SSD and Windows 7...
http://www.newegg.com/Product/Product.aspx?Item=N82E16834214051I would totally buy Toshiba again...
I did have P4 Sony Vaio. I gave it to my mom... She used it for a long time and it is her backup now, but still works except for the battery. Which is a amazing, most P4 notebooks have burned out a long time ago.