I like the National Geographic software.
It works a little different than the others.
Instead of loading a topo into your handheld you load the topo onto your home PC. Plot the points you want as landmarks on the map and download the points to your PC. If you want a map print one with your points on it.
Works in reverse too. After a scouting trip upload your points to your PC. Then you can look at where you've been on a topo.
Each state costs about $100 and comes on 6 or 7 CD's.
I have the delorme PN 40 ,pretty happy with it. Kinda the same deal. Ithink I paid about $30 for unlimited downloads of thier aerial data packs, gives you aerial photos,satallite imagery and usgs7.5 min quad maps. You can go back and forth with your pc with the maps way points etc. It will give you the blm and gmu boundaries. Would be nice with a bigger screen.
I also use the National Geographic desktop software and like the ability to plot points on the map, look at 3D terrain and then upload a track to my GPS. Another nice feature that I realized since starting to hunt in Colorado is the downloadable GMU's. You can overlay the GMU boundaries on the map so you can easily plan your scouting.
As the allure of hunting big whitetails becomes more and more a passion for many, we are finding that the recent (historically speaking) popularity of hunting deer from a tree stand is becoming the way to do it. I'll make no statement either for or against that technique here. This will be simply an essay on what I feel are some outstanding rifles for tree stand use.
Before we go even one more step, let's all remember that safety is first and foremost for anyone wanting to hunt...