Yeah apparently 'A' has the lower spec version though?
The spec at £549,
* The Aspire 6930G features the Gemstone design and a stunning 16in Acer CineCrystal™ wide screen display which makes movies and images comes to life. Powerful enough to handle multiple tasks with ease; this notebook can be enjoyed by the whole family.
* Intel Core 2 Duo T6400 processor.
* 2.0GHz processor speed.
* 2MB cache.
* 4GB DDR2 RAM.
* 16in full HD Acer CineCrystal(tm) widescreen.
* Resolution 1366 x 768 pixels.
* 250GB SATA hard drive capacity.
* Multiformat dual layer optical drive.
* nVidia GeForce 9600M GT graphics card.
* 1GB graphics memory.
* 5 in 1 media card reader - compatible with SD™, MMC, MS, MS PRO, xD.
* 3 USB ports.
* 1 HDMI port.
* 1 Ethernet ports.
* Integrated sound card.
*
* Integrated 0.3Mp Acer Crystal Eye webcam.
* 802.11b/g/n wireless enabled.
* Windows Vista Premium operating system installed.
* Software included: Acer Empowering Technology, Acer Arcade™, Acer InstantOn Arcade, Acer Crystal Eye, Acer GridVista™, Acer Launch Manager, Acer GameZone, Adobe® Reader®, CyberLink® PowerDirector® trial version, McAfee® Internet Security Suite Trial, NTI Media Maker™, Microsoft® Works 8.5 with Office Home and Student 2007 Trial.
* 2.5 hours battery life.
* Size (H)4.39, (W)38.5, (D)27.75cm.
* Weight 3.4kg.
* Manufacturer's 1 year guarantee.
This is only available on home delivery though!