Help me decide which of these computers to get??

I can't decide which of these computers to buy, so any help is appreciated.

Desktop: Dell inspiron 531

Athlon 64 X2 5000+

Vista Home Premium

Dell鈩?20" Black Wide Flat Panel (E207WFP)

128MB ATI庐 Radeon鈩?HD 2400 Pro graphics card

2048MB 667MHz Dual Channel DDR2 SDRAM [2x1024]

500GB (7200rpm) Serial ATA Hard Drive

16x DVD +/- RW Drive

Or:

Notebook: Dell inspiron 1520

Intel庐 Core鈩?2 Duo processor T5450 (1.66 GHz, 667 MHz FSB, 2 MB L2-cache)

Vista Home Premium

15.4" Wide Screen WXGA (1280 x 800) Display with TrueLife鈩?br> Integrated Intel庐 Graphic Media Accelerator X3100

2048MB 667MHz Dual Channel DDR2 SDRAM [2x1024]

160GB (5400RPM) SATA Hard Drive

Fixed Internal 8X DVD+/-RW

Can't decide which one to get. Both cost 拢449. Once again, all help is appreciated. Thanks ^^

Help me decide which of these computers to get??norton ghost

Both machines have decent specification.I think the choice here is down to your planned use.Will you require mobility?;if the answer is yes,the choice is made and notebook it is.Good luck!!

Help me decide which of these computers to get??software

Second one though buddy best to get is one from the company i work for we do custom builds at so cheap prices you get better computers for your money were based in yorkshire and we deliver out we do more than 300 units per day, screen, printers everything included. Visit us at www.pcspecialist.co.uk really though you wont regret. Custom gives you the best and we give you great warranty :) and free back to base servicing and repair. We also do manurfacturer and some parts life time warranty. It's up to you, if you want quality, performance and a pc you can be proud of really we can do you the best deal. These computers are good. the second is the best out of them.
Notebooks are not great for working all day on. Get a desktop if you are not going to spend a long time traveling.
2nd one