Get an Off Road Premium and put a nice suspension on it. No matter what you buy, you'll want to tinker with it. And the Pro suspension is nothing special, trust me.
I Highly recommend going to the Sierra Nevada Brewery up there. The facility is amazing. You can do a tour (either self of guided). They have a restaurant and a very nice bar.
I had the exact same problem at 30K miles. Took it in for the annual DMV inspection and while it was up on the lift we saw oil everywhere. Toyota fixed it under warranty. Now, I go get my 40K a few days ago and they tell me my steering rack is leaking. The gentleman that I deal with at the...