Long-term storage

Planning to store our 2003 van for about two years. The questions:

Any recommended places that store vehicles?
Any recommendations for dust-covers?
How to keep mice from taking over the under-hood area?
Any mechanical considerations? Drain fuel, or use some additive? Trickle charge the battery?

Thanks for any suggestions....

For storage, the lower the humidity the better, the less sun/rain the better
Moth balls where mice might home
Add diesel fuel stabilizer or drain , your choice, http://www.goldeagle.com/brands/stabil/
Raise wheels off the ground or lessen weight on tires
Spray rotors/calipers with light oil to prevent rust
disconnect battery or trickle charge with solar panel
Polish / wax before storing

Not to be a alarmist but, I would skip the moth balls. The active ingredient in mothballs is actually a pesticide, typically napthalene or paradichlorobenzene. The EPA links short-term exposure of humans to naphthalene to cataracts, liver and neurological damage. The agency considers the chemical a possible carcinogen. I remember mom using moth balls all the time & I am still kicking but, why push your luck?