A few of my favorite sites, in no particular order.

55002Koyli - Site celebrating the progress of a Deltic Engine, based at the Natonal Railway
iphone-experience - Excellent IPhone site which tells you how to get the best out of your IPhone
GetSimple CMS - The Simplest Content Management System. Ever.GetSimple has everything your client needs, and nothing a CMS doesn't.
Community Action for Sustainable Living - Welcome to the Green Futures site, we are a community business working with people of all ages in the Greater Grimsby area to create a sustainable, green future for us all.