Lenovo X200 or Acer Timeline 3810T or?

I'm looking for a thin and light laptop. These two are the ones I think are nice so far. My main concerns are screen, weight, battery life.

I think the Lenovo is the better machine, but is it worth about a $300 price difference?

Lenovo X200
Intel Core2 Duo processor P8600 (2.40GHz, 3MB L2, 1066MHz FSB)
12.1 WXGA 1280x800 CFL Backlight
Intel Graphics Media Accelerator 4500MHD
2 GB PC3-8500 DDR3 SDRAM 1067MHz SODIMM Memory (Max: 4GB)
TrackPoint
9 cell Battery (up to 9hrs)
295 x 233.8 x 20.7-35.3mm
1.63 kg/3.58 lb
Around $1200

Acer Timeline 3810T
Intel Core 2 Duo SU9400 1.4 GHz Processor 3MB L2, 800 MHz FSB
13.3" HD 1366 x 768 LED Backlit
Intel Graphics Media Accelerator 4500MHD with up to 1759MB Shared Video Memory
4096 MB DDR3 (PC3-8500) RAM Max: 8GB
Touchpad
6 cell Battery (up to 8 hrs)
322.6 x 228.6 x 22.9-27.9mm
1.59 kg/3.5 lb
Around $860


1_What is your budget?

Around $1000 or less

2_What is the size of the notebook that you are considering?

11" - 13" around 3.5 lbs or less

3_What screen resolution do you want?

Around 1280x800

4_Do you need a portable or desktop replacement laptop?

portable

5_How much battery life do you need?

At least 6 hours

6_Do you want to play games with your laptop? If so then please list the games that you want to with the settings that you want for these games. (Low,Medium or High)?

No games

7_What other tasks do you want to do with your laptop? (Photo / Video editing, surfing the web, playing music, watching movies, Etc.)

web browsing, programming (vs.net, sql server), youtube, hulu, netflix, videos, some graphics and photo editing.

8_How much storage (H.D.D Capacity) do you need?

any, but battery needs to be easily replaceable

10_How long do you want to keep your laptop?

about 2-3 years

13_What country do you live in?

USA