"I'm selling my Macbook, which is in pretty good condition. I just upgraded to Macbook Pro. 1.83GHz Intel Core Duo 1GB RAM 80GB Hard Drive Combo Drive OS 10.5 iWork 09 iLife 09 Machine is good working order, has some typical wear on the case. I did have the topcase replaced recently" He is asking $300. Is this a good deal? Thanks!