Ticketmaster are a joke, website jammed up, got through eventually on phone only for the guy there to tell me they were having the same problems!
Eventually got 11 tickets in C5 even though the application froze during the process, also got hit with a £16.50 booking fee because their website is crap!!
This is where the loyalty points should come into play more, higher number get first dibs etc. so there's a controlled sale rather than a mad rush with everyone a once.