The guy that posted on Jalopnik was trying to broker a deal for the cars. It didn't appear as though he had any connection to the seller, other than stumbling upon (or hearing about) the collection.
Here's some details from the comments on the Jalopnik post:
http://www.mustangblog.com/blog/1017...-950k#comments
the cars include:
FORD MUSTANG MACH 1 1970 RED
FORD MUSTANG 1966 RED
FORD MUSTANG 1965 RED
FORD MUSTANG 2+2 1965 BROWN
FORD MUSTANG MACH 1 COBRA JET 1969 BLUE
FORD MUSTANG FAST BACK 1966 BROWN
FORD MUSTANG COUPE 1966 WHITE
FORD MUSTANG SHELBY GT350 CONV 1968 WHITE
FORD MUSTANG COUPE 1966 ORAGE
FORD MUSTANG CONVERTIBLE 1965 RED
FORD MUSTANG CONVERTIBLE 1968 RED
FORD MUSTANG CONVERTIBLE 1971 BROWN
FORD MUSTANG COUPE 1965 RED
FORD MUSTANG COUPE 1966 GREEN
FORD MUSTANG CONVERTIBLE 1970 BURGUNDY
FORD MUSTANG CONVERTIBLE 1967 BLUE
FORD MUSTANG CONVERTIBLE BLUE
FORD MUSTANG CONVERTIBLE 1966 BROWN