Angling the blade is not all it's cracked up to be sometimes. If you have a very heavy tractor or truck using the blade, it may be ok. And in a regular snow 12 inches or less it's ok. I have found with a really heavy wet snow, or a really deep snow, I really can't angle the blade and then drive though it. The snow builds up so high that it twists the vehicle around sideways. If that happens and you are plowing a fresh path, you are pretty much stuck as it shoves the rearend into the deep snow.
In a really deep snow, even with my f250 with a 7.5' blade, I find I have to keep the blade straight, and do short pushes off to the side. Make a short push to the left, back up and make a short push to the right. Do it over and over slowly making my way through.
I have always wondered about those v-plow setups. I bet if they were angled into a vee, that you could drive straight through as it would keep the pressure on the vehicle even on both sides.