Here are a few links to related pages I've found interesting and/or useful

Jan Timmermans Firmament pages - Another 2M owner site, a great resource full of hints and tips
TALScopes Yahoo Group - Mailing list with a lot of knowledgeable folk
Astronomy Picture of the Day archive - a great new image each day, complete with explanation
Bobby Middleton's Astro Galleries - Stunning pictures!
TAL - Website of the maker of my telescope
AuroraWatch - Sign up for email alerts when conditions could be right for Aurora
SpaceWeather - Interesting site concentrating on what our Sun is up to. Great for keeping an eye on sunspots
Visination - Computer generated 3D Space and Landscape artwork
Prior-IT - A friends' site. Jim is also an astronomy enthusiast, and his site also has some really handy pond information, details on his fantastic "One Ring" album inspired by Lord of the Rings, and much more.
DigitalSky - Pete Lawrence is one of the UKs foremost astrophotographers, and his site is well worth visiting.
Roland's Amateur Astronomy Page - Another UK amateur, his site has some interesting information such as a calendar of events and details on his 'scope and binoculars
Phil's Astronomy Page Phil uses the same scope as myself and he has some excellent details on it

Weatherscapes Astronomy section - Weatherscapes is a site featuring a large collection of excellent weather and astronomy images by Harald Edens.

Orion XT10 - A friends page about his new Orion XT10 Telescope. The site is new but promises to grow quickly with a wealth of information!