Help to choose a laptop

Hi, i have been given some vouchers to buy a new laptop from currys, and these 3 seem to be the best ones that i could find.

I dont know what one to buy so any advise would be great, thanks.

Acer 6920G

# Intel Core 2 Duo Processor T5750

# (2 GHz, 667 MHz, 2 MB Cache)

# Genuine Windows Vista ® Home Premium

# 3 GB Memory

# 250 GB Hard Drive

# Blu-ray Combo drive

# 16" CrystalBrite widescreen Display

# ATi Mobility Radeon HD3650 Graphics Card

# dedicated 512 mb Graphics Memory

HP Pavillion DV6920 EA

* Intel Core 2 Duo Processor T5750

* (2 Ghz, 667 Mhz, 2 MB Cache)

* Genuine Windows Vista ® Home Premium

* 3 GB Memory

* 250 GB Hard disk drive

* Blu-ray DVD combo drive

* 15.4" widescreen display

* Ethernet & Wireless networking

* Webcam with integrated microphone

* nVidia GeForce 8400M GS graphics

Hewlett Packard DV4-1000EM

# AMD Turion X2 Dual Core processor RM72

# ATI Mobility Radeon HD3450 graphics card

# 3 GB memory

# 250 GB hard drive

# Genuine Windows Vista Home Premium

# Blu-ray Combo Drive

# 15.4" High Definition display

# HDMI high definition connectivity

# 4 No. of USB Connections

# 2.65 kg Weigh

Personally I would go for the second one, but I am biased against acer after I had one of their mobos fail on me a couple of weeks out of warranty.