IMR 4350 for 30-06
IMR4064 for 30-06, 308, 8x57, 7.5x55
IMR 3031 for 8x57 and .303
RL-22 for 6.5x55
W231 for .45 ACP
2400 for cast rifle loads

I don't think you fill find any discernable difference between W-296 and H-110 in Magnum handgun cartridges. As for Unique, it was the first powder I used for handgun reloading about 25 years ago and while it still is a good choice, it does burn a little on the dirty side. I have used many others such as Accurate No. 5, Accurate No. 2, Winchester 231, HP-38, Hodgdon HS-6, Clays, Universal Clays and Tite Group. My current favorite for loading 9mm, .38 Special and ..357 light to mid range loads would be Universal Clays which seems close to Unique in burning rate but cleaner. For heavy magnum loads, I still have a couple of pounds of W-296. If I felt like experimenting further, I would take a look at Ramshot True Blue.

I think that guy is full of it. There is a problem with Unique-it clumps up due to the size and density of the granulkes, so must be weighed-it DOES NOT meter evenly!

For handguns, I do use Unique, Bullseye, WW 296, Hodgdon H110, Alliant 2400, Red Dot, Blue Dot, HS 6, HS 7, and IMR or Hodgdon 4227. HS 6 and HS 7 meter accurately and are suitable for both reduced and heavy loads. I still prefer 2400 in my full-power .357 loads. Plus it meterswell and is not near as sensititve to crip as are WW296 or H110.

Heres what I'm using right now.

IMR 7828 for 7mm RM
IMR 3031 for 30-30
WIN 296 for 357 mag
Bullseye for 38spl

No complaints about any of them.

I use H110 in my 357 magnun and my 44 magnum.

For mid velocity loads in .357 mag I use titegroup and ramshot trueblue.
for magnum loads I use lilgun. The true blue is alot cleaner burning than tite group and it meters extremely well.

I used to reload my .357 Mag and .44 Mag when I had them and used H110 exclusively. It worked great for me in both cartridges.

Reddbow

For rifle i use IMR4064, 4350, 4831, 7828, RL22, RL19.
For pistol i use Red-dot & Blue-dot.

I mostly use hodgdon powder in my rifles now just to lower my inventory, H4895,H335,VARGET,H4198,and lots of Bench Mark. This takes care of my .223,.308, and 45-70. I still use both Imr and Xmr4350 in my .270 and 30-06, for .44 mag. I use H110 , for .40 S&W I've gone to bullseye,it works great and goes a long way.