Another note...you will get "1000+ unopend packs" of which 700 where bought in this lot that cost $100
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=140419752911
Furthermore, his spending includes alot of box busting of many many regular boxes. Overall there is going to be a ton of commons.
There are some nice cards the like Ty Cobb that he paid $500+, but the bulk is stuff that he gets in lots which will water down the true "worth" of the listing