21 is a migration unit. The more snow the better and the later the season the better. We could be have a major winter kill this year, so before you burn a lot of points I'd check with the game wardens for the area you want to hunt before you apply. If there's no snow unit 21 could be very poor hunting.
If I were you I wait a month or so and see how the deer did through winter. You might want to call CDOW @ 303-297-1192 and ask someone in the know, what areas were hit the hardest with winterkill. For now I know the Gunnison looks to be in bad shape, hopefully they'll make it through. With 7 points you should be able to draw a really good tag. Draw deadline is 4/1/08.
If you want to properly preserve velvet antlers, you will have to inject & brush them with formaldehyde or some of the new less toxic chemicals (4 in 1 solution works great as does Knobloch's antler in velvet tan) as its easier to use however, both will work.
First, using rubber gloves take a razor blade and make small incisions at the tips of all points about 1/8". Next hang the antlers upside down, allowing the blood to drain. Starting at the bases inject the solution into the...