Ignore them Seashells, they don't know what they're talk about. The internet says so.
Was a good year for camping, wasn't it?
Best:
Kit - Frontier wood burning stove. Also Gransfors Axe.
Experience - sitting around the campfire in a quiet spot of woodland, drinking a smokey coffee first thing in the morning. Looking like hell. Not caring. No rush. Applies to any year. 
Worst:
Kit - Well, didn't buy much this year, so can't really think of a 2011 bad buy. However, for previous years, I've got a never ending list: Cheap cool box, wind-up torch, How much time do you have?
Experience - Throwing boiling water over my hand one night, realising we forgot first aid kit, spent the whole night awake pouring cold water over the towel wrapped around it.
Oh nonono, just remembered one that was worse: Actually cutting the hole in my tent for the stove. Nerve wrecking.