Vodaphone - Tried their 3G mobile broadband, gave back after 7 days. When it worked it was great, but on the move, suspending and un-suspending my laptop seemed to throw it. Also at my home postcode, their website said good signal, I only managed GPRS (slow) signal. Therefore not much use as a backup to my broadband and as it was patchy on the train to London - it had to go back. There was no fuss and they took it back immediately. One other strange thing, it wouldn't let me goto port 80 on a broadband router - strange.
Legoland Windsor - get the Q-Bot unless you love queuing. Cost an extra £10 per person, but I reckon you could get on 3 extra rides in a day and without standing in line for hours.
After leaving, we queued again to get onto the motorway, I decided to stop off in Marlow to get some food, rather than face a McKFCKing. Found Thai Square, a Thai resteraunt that had wonderful food and helpful staff. If you are in the area, I would highly recommend it. www.thaisq.com