There are usually pretty good deals on here:
Monarch Mountain, CO - Monarch Mountain 1 Day Lift Tickets
although it doesn't look like they got much for discounts for March...
The Gems card gives you $10 off each ticket and a free ticket in April.... for $10 (it's also got some other really good deals on it)
Colorado Gems Card | Colorado Ski Country USA
It also looks like Shell is still doing their buy 1 get 1 deal when you purchase 10 gallons of gas:
SKI FREE® Free Lift Ticket with Shell Fuel Purchase
nearly everything is blacked out starting March 9th for Spring Break though.
By far the best way to go is to get some comps from an employee, but I don't know many employees that are on here, and the one's I know have gave most of their tickets away over the last few days... hope that helps.