Re: Lowest price you've seen on a mint MIM Strat?
They usually go for $200 to $300 in used, but not thrashed condition. Condition doesn't really affect the value that much. In other words, don't pay $350 for one just because it is mint. It's a Mexican Strat; who cares if it's mint or not? It's only so good regardless of condition. The most I'd pay for a used one would be $250, period. And I would even think twice about that unless it came with a nice case and/or some nice pickups.
That said, I'm only talking about the used/Craig's List market here. I bought my '05 MIM brand new for $425 out the door, and my '12 MIM for $500 out the door. Both were well worth the prices IMO, given the in-store support and the factory warranty that come with a new guitar.