In reply to DTE: I went to last years. It was a good day out, loads of freebies - posters, catalogues etc. Theres always loads of stalls set up at these type of events, all the big shops will be there. I didn't notice any discounts last year, may have been a few but wasn't any on anything pricey, jackets rucksacs etc. I personally wouldn't buy anything like that there, it can be very busy so you may not properly try things on etc
Massive cues (my brain has just gone dead and i can't think how to spell that properly) for most things, expensive food etc. The bouldering championships are good, the talks are good as well if you can get near them. Don't bother buying tickets from the organisers, theres loads of free tickets or buy 1 get 1 free offers flying around nearer the time.
Its well worth a trip to see it all, hope that helps