But here are some great tips for capturing great shots on the day if you can get along. Follow this link to EPhotoZine for some great Wedding Photography Tips.
You'll also discover timings for the day and a map showing the best photo locations. (Click the Map to enlarge).
My advice: Get there early to get a good spot and don't be pushed out of the way. Take a great zoom lense and get really close to the Royals. I was able to get some fantastic shots of the Queen and Prince William at the Trooping of the Colours last year. My lense of choice was (and would be again) Nikon 70-200mm f/2.8 VR11 Lense. If that's a bit expensive you'll not go wrong with the superb Nikon 28-300mm. My camera was Nikon D700.
Have Fun: I hope to see some great shots of the big day and I'm sure there'll be thousands of them on the WWW for us all to enjoy.