1995 Kemper Freestyle - Lasted me 15 years at about 10 days a year. Of course there are no rocks on the hills in Ontarible, and I'm not a fat bastard so it never broke landing from a jump. I might use it for a vintage day one of these years...
2010 Burton T7 - I've got about 75 days on this board and it still rocks, but I've killed it to. Too many rocks to the edges and core.
2012 Virus - #$%^ about 20 days on it, landed HARD on a rock this spring and broke the board a bit. It's still ridable but we'll see for how long.
Damn rocky mountains chew boards... The edges are done long before the spring has sprung!