Good luck on the study prep and all. With your comprehensive planning/work, you'd not be in bad shape in any way but my couple of nuggets from my prior experiences.
Learn to commit the hours of taking the exam - it's real slow and drab for someone used to having multiple windows open with chats/etc.
Secondly, if you get something right really quickly in math (and tams/brown ppl esp seem to occasionally have this from prior experiences), don't let it startle you and make you think "whoa I'm half done with math in half the allotted time - this is odd, gotta slow down" - this got me on the 2nd time I took quant and was silly, but meant that I started to lose my train of thought cos I was going too fast for first half of the section.
Other than that, have fun - penn state's a riot of a school and don't forget to balance ur stress level with DM/whatever is on around campus.