If I was selling that, I'd just laugh at your offer for $350. But if I was interested in this, I would definitely want to know if he has the top drawer. $2500 looks to be too much, and he doesn't showcase the tools he includes very well.
Jeez... "Great box and awesome pro tools.. nevermind that I robbed all the pro stuff out and pawned it and traded for this awesome craptastic pile of rusted sockets, harbor freight screwdrivers (mind you there is one S/O and its presented like gold that it is), and my awesome quick release raised panel rachets"