I'm getting ready to purchase a 15" MBP. Up until now, I was just going to go with the default screen selection. But now I'm hesitating. I know a trip to the local Apple store is the best bet, but I'm curious on your thoughts. Is the Hi-Res Glossy Widescreen Display worth an extra $100? Is the Hi-Res Antiglare Widescreen Display worth an extra $150? I won't be doing an other upgrades to RAM or HD, just going with the defaults (4G, 320 @5400). I figure I can upgrade the RAM and HD after-market for cheaper. But the screen, I would be stuck with the original purchase selection. Thanks for any help!