Here are some great links to airsoft sites and shops.
Airsoft Shops
www.airsoftworld.net- These guys are great and reliable. They offer to spray all of their airsoft guns 2tone for an additional charge and are generally very efficient stocking all types of gear and guns (including pre-sprayed 2tone guns).
www.landwarriorairsoft.com- They sell mostly high range airsoft guns which are reliable but they don't spay in 2tone and gear.
www.novatcombat.com- Probably the cheapest shop out there. They sell medium to high range kit and airsoft guns with free shipping, no VAT and free 2tone spraying. My personal favourite.
www.tacticalairsoftshop.co.uk- Another cheap but reliable shop selling a variation of airsoft guns and gear with a 2tone spray service for an aditional charge.
www.surplusstore.co.uk- These guys sell a wide variety of airsoftguns and some gear, 2tone guns included.
www.actionhobbys.co.uk- They stock are huge variety of kit and airsoft guns (including 2tone). Generally low range 2tone airsoft guns
www.airsoft-emporium.co.uk- A new website and store offering cheap, good quality guns and accessories suited for the more experienced player with a UKARA license.
www.fire-support.co.uk - A great site, with a constantly increasing stock. Caters for all and very easy to use.
Airsoft Skirmish Sites
www.ambushadventures.co.uk - This is a five star skirmishing site and was part on the nationwide skirmish Op Typhoon Rising at Longmoor. Great place for all types.
www.soairsoft.co.uk- Check out SOAirsoft, a great new site which has just opened up to the public. Based at a training facility for international security services, it offers a variety of game types!