I'd be game for any midlands/West Midlands stuff as I'm sure a few others would Luke, Cannocks a good ride, and I've only heard good things of BPW. If you find yourself around north wales at all checkout Penmachno. It's a volunteer ran trail that's incredible. It's only 21 miles but it's definatley an all dater, the views alone are incredible so it's worth taking some packed lunch to sit and enjoy it, but it is a fair way out the way..