I definitely recommend upgrading to the Core 2 Duo processor for $40, but other than that it’s just a matter of personal preference.
Specs @ $499:
-Intel Dual-Core 1.6Ghz Processor
Upgrade to Core 2 Duo 1.8Ghz for just $40.
-Vista Home Premium
-19″ Flat Panel LCD
Upgrade to 22″ Flat Panel LCD for just $100.
-1GB RAM at 667MHZ
Upgrade to 2GB Ram for $100.
-160GB SATA Hard Drive (7200RPM)
-48X CD Burner/DVD Reader
Upgrade to 16x DVD Burner for $30
-Integrated Intel Graphics Media Accelerator 3100
Upgrade to Data/Fax Modem plus 802.11b/g wi-fi card for $30