The bike is from about 2008. the seat is an upgrade of about $100. it is probably from about 2007.
from a
Pink bike wanted ad
"Others have sold on Pinkbike for between $4-450 (CDN) as complete bikes in excellent condition (judging by the pictures) so this seems a reasonable place to start. The MEC National seems like a comparable bike and I'd entertain one of those in the same size too.
https://www.pinkbike.com/buysell/2425753/
https://www.pinkbike.com/buysell/2305311/"