Never minded paying £25 for it. Seems reasonable. Saves all my friends having to buy one as they like the panels but have zero interest in the rewards.
I'd like to know personally why it's had a sudden £10 price hike though.
Also Star Citizen is an unfinished product that tried to charge people to watch it's stream. Not to mention Blizzard have said countless times that Blizzcon operates at a loss.