Hello! Every Mac wizard! I am taking interested in Mac and want to buy a portable computer now.The main purposes are browsing web,editting blog, reading and writing papers.My question is that Macbook and macbook pro which one should be my best choice? I perfer to Macbook in that it is cheaper than mbp,but many friends of mine told me that the cost performance of mbp is more higher than mb.I am puzzling. plz help me!Thanks!