Inspiron 9300 vs. Inspiron 6000

I am trying to decide between the Dell Inspiron 9300 and the Inspiron 6000D. I do light to moderate gaming, like to watch the occasional movie, but would mainly be using it for Access, Coding (VB.Net, C#, ASP.NET), and other school related activities. I would like to have enough battery life that I could watch a full length feature film, plus some. I have a $250 gift certificate to Dell, so I want to keep it a Dell, plus the fact that there is the $750 off right now! Is there any sense in waiting? Any new technologies coming around the corner for the mobile market? I appreciate all your suggestions!

6000D

- 2GHZ Pentium M 760 Processor
- 256MB DDR2-400 Memory
- 40GB 4200RPM Hard Drive
- 15.4" SXGA+ Screen
- 128MB ATi Radeon X300
- 6 Cell Lithium Ion Battery
- Extra 9 - Cell Lithium Ion Battery
- 24X CD-RW/DVD-ROM
- Dell Bluetooth Wireless 350
- Intel 2200 b/g Internal Wireless
- Carbon Fiber QuickSnap Cover
- 1-Year Mail-In Service Warranty

Unit Price - $2,018.00 - $750.00 (Coupon) - $250 (GC) = $1,018.00
Tax - $71.26

Grand Total - $1,089.26


9300

- 2GHZ Pentium M 760 Processor
- 256MB DDR2-533 Memory
- 40GB 4200RPM Hard Drive
- 17" WUXGA Display w/TrueLife
- 256MB Geforce 6800 Go
- 6 Cell Lithium Ion Battery
- Extra 9 Cell Lithium Ion Battery
- 24X CD-RW/DVD-ROM
- Dell Bluetooth Wireless 350
- Intel 2200 b/g Internal Wireless
- Carbon Fiber QuickSnap Cover
- 1-Year Mail-In Service Warranty

Unit Price - $2,440.00 - $750.00 (Coupon) - $250 (GC) = $1,440.00
Tax - $100.80

Grand Total - $1,540.80
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For either laptop I will be replacing the standard memory with a 1GB Stick of DDR2-533 for $109.00 and the hard drive with an 80GB 5400RPM Hitachi for $118.00. I will also be replacing the operating system with Windows XP Professional w/Service Pack 2.

Thanks!