Desktop Replacement Laptop Questions

[RCman]

I'm going of to college in a few weeks and I need a laptop. I don't have alot of money so no $2000+ desktop replacement laptop will work, because I wouldn't be able to afford it. I want something that will be able to somewhat keep pace with my current desktop system, but have the battery life that I will need (something like 3+ hours).
Processors
I know that the Intel® Pentium® M Processors are out as well as the AMD Turion 64 Processors. What is with the 1.6-2.0Ghz range on the new Intel CPUs? Are they becoming like AMD's processors where a 3400+ running at 2.2Ghz runs like a 3.4Ghz? I'm slightly confused at this.
Video
I want a dedicated video card with good speed with 128mb+ Ram.
Harddrive
Nothing to fancy, something quick but not to expensive. At least 50gb+
Everything else
All the standard notebook/laptop stuff, a good screen but nothing that weights 16lbs.

Does anyone have any suggestions?

 

[RCman]

I have found these: Input?

Acer Ferrari 4000

Acer Ferrari 3400

Acer Travelmate 8100

 

[RCman]

I've narrowed my search to these two laptops. Please guys, I would like some input. Thanks.

Dell Inspiron 9300
CPU -- Intel® Pentium® M Processor 750 (1.86 GHz/2MB Cache/533MHz FSB)
Operating System -- Microsoft® Windows® XP Professional
Display -- 17 inch UltraSharp™ Wide Screen UXGA Display with TrueLife™
Memory -- 1024MB DDR2 SDRAM at 533MHz
Video Card -- 256MB NVIDA® GeForce™ Go 6800
Hard Drive -- 60GB Hard Drive
Network Card -- Integrated 10/100 Network Card and Modem
CD/DVD Drives -- 8x CD/DVD burner (DVD+/-RW) with double-layer write capability
Wireless Networking Card -- Intel® PRO 2915 and Dell 350 Bluetooth Internal Wireless Cards
Primary Battery -- 9-cell Lithium Ion Primary Battery (80 WHr)

Acer Travelmate 8100
CPU -- Intel® Pentium® M Processor 750 (1.86 GHz/2MB Cache/533MHz FSB)
Operating System -- Microsoft® Windows® XP Professional
Display – 15.4'' WSXGA+
Memory -- 1024MB DDR2 SDRAM at 533MHz
Video Card -- ATI Mobility RADEON X700 Dedicated 128MB
Hard Drive -- 100GB Hard Drive
Network Card -- Integrated 10/100 Network Card and Modem
CD/DVD Drives -- 8x CD/DVD burner (DVD+/-RW) with double-layer write capability
Wireless Networking Card -- Intel PRO/Wireless 2915ABG network connection supporting 802.11a/b/g wireless LAN