Last week, the test crapped out on the sims. At that time, I was already burnt out on studying. Long story short, I got my money back, went to another test center, everything worked without a hitch.
The test, I would give a moderate to high degree of difficulty because the topic covers SO much material. The MS Press book actually had good matierial and excercises in it, it just had so much more information than what was on the test. Here's a 1,000 page book...now go answer these 47 questions

The sims were either simple tasks that didnt take long, or poorly worded...almost cryptic...questions, but still with a simple task once figuring out exactly what you need to do.
Almost no knowledge of T-SQL is necessary. I think I encountered only a couple of questions regarding language/syntax.
Been prepping since early April, glad it's behind me. I dont recommend it as a hobby.
Next step for me is 70-621, the DST upgrade.