I'm looking at laptops. If it's a windows machine, it should be XP-Pro, not home. I'm also tempted by Linux and OS-X machines.

Primary criteria:

Secondary criteria

Notes:

Model

Weight

Battery Life

max ram

screen

Notes

Panasonic T4

2.8 lbs

12 hrs

1 Gb

12.1" 1024x768

$2K up, [http://www.dynamism.com/t4/specs.shtml specs]

Acer AS5000 (Turion)

6.5 lbs

3.25 hrs

15.4" 1280x800

http://www.pcmag.com/article2/0,1895,1786684,00.asp

Acer TravelMate 4000 series

2.91 kg

6 hrs

2 gB

15" 1024x768

[http://asia.cnet.com/reviews/hardware/notebooks/0,39001743,39073841p,00.htm CNet asia]

Compaq Presario B3813AP

2.55 kg

4 hrs

2 gB

15" 1024x768

[http://asia.cnet.com/reviews/hardware/notebooks/0,39001743,39079380p,00.htm CNet asia]

Compaq Presario V2000 (Turion)

5.4/6.1 lbs

2.5/5.5 hrs

14.1" wide

6cell/12cell http://www.pcmag.com/article2/0,1895,1825639,00.asp

ThinkPad X40

Alienware Area-51m_7700

?

4 hrs

2gB

12.1" 1280x800

~$1100-1500 [http://www.alienware.com/product_detail_pages/sentia/sentia_specs.aspx?SysCode=PC-LT-SENTIA&SubCode=SKU-PERFORMANCE Alienware]

HP Pavilion dv1175us

5.33 lb

6 hrs

?

14" 1280x768

$1350 clearance [http://www.compusa.com/products/product_info.asp?product_code=317688&pfp=BROWSE CompUSA]

Dell Latitude D510

6.1 lb

4 hrs

2gB

14.1" or 15" XGA

~$950 [ http://reviews.cnet.com/4505-3121_7-31355783.html CNET review] [http://configure.us.dell.com/dellstore/config.aspx?c=US&cs=04&dgvcode=ss&l=EN&oc=D510PSAPP Dell]

Fujitsu B6110D

3.3 lb

~5 hrs

2gB

12.1" 1024x768

~$1700 [http://www.tomshardware.com/mobile/20050804/ Tom's Hardware]

Toshiba R200

2.84 lb

~4 hrs

1.25gB

12.1" 1024x768

~$2000 [http://www.tomshardware.com/mobile/20050804/ Tom's Hardware]

ASUS M3000Np (M3NP)

5 lb.

7.4 Hrs.

1 gB

14.1" 1024x768

5400rpm HD, Pentium M 1.7 GHz, [http://www10.shopping.com/xPF-22569070 shopping.com]

Averatec AV3270-EE1

4.5 lb.

??

??

12.1" 1024x768

[http://www10.shopping.com/xPF-Averatec_AVERATEC_NOTEBOOK_LINE_SEM_2800_512MB_60GB_DVD_MULTI_XPH_12_1IN shopping.com]

Dell's Inspiron 700m

3.7-4.1 lb.

?

2gB

12.1" 1280x800

~$1100 Pentium M 1.6 GHz, [http://www.pcworld.com/howto/article/0,aid,118626,pg,2,00.asp PC World] [http://www.shopping.com/xPR-Dell_Dell_Inspiron_700M_Notebook_Computer_P_M_1_60GHz_256MB_30GB_22547478 shopping.com reviews]

ThinkPad T42

5.8 pounds

5.5 hrs

2gB

15" 1400x1050

expensive, [http://www10.shopping.com/xPR-IBM_IBM_ThinkPad_T42_IBM_Think_Express_Program_IBM_Think_Express_IBM_ThinkPad_T42_models_with_3_year_w_ shopping.com reviews]

ThinkPad T40 (237382U)

4.85 lb

5.5 hrs

2gB

14.1" 1024x768

Pentium M 1.5 GHz, $900recon [http://www10.shopping.com/xPF-IBM_ThinkPad_T40_2373_237382U shopping.com]