I'm currently at a Core Duo T2300 and was wondering what were some of the higher speed cpu's that would work?

If I understand correctly a T7200 or T7400 would work and maybe a T7600 ?  But because of their cost are there any lower numbers that would be a significant upgrade yet not bust the wallet?

Thanks so much in advance for any help!

Tony

My apologies....I had searched 1505 upgrade before and came up with gobledygook but realized my mistake and typed in E1505 and it looks like I've got a few threads to read.