Okay, so I have some money saved and am going to purchase a 13.3" MacBook - no Air, no Pro. I have just enough money to purchase either the a) standard "low-end" 2.0 GHz, 2 GB RAM, and 160 GB hard drive aluminum MacBook or b) the white polycarbonate MacBook upgraded to 4 GB RAM and 320 GB hard drive. Any advice on which one would be wiser to purchase? P.S. The only thing I'm going to need my MacBook for are basic web browsing, e-mail, a CD-ROM game or two, maybe download an app or two, and iTunes for downloading music (I download a lot of music.) I'm also a big multi-taker - having various tabs opened at a time online, while downloading a song off of iTunes. Also, I do not have enough cash to upgrade the memory or hard drive on the aluminum MacBook. Thanks.