Whip, since you are talking about loading for the 44 mag, you might want to consider the Win Large Pistol primer. It is for standard AND magnum loads and that is very handy for the 44. I load the 41 mag and use a lot of the Win LP primers. I believe they are designed to light the Win (Olin) Ball powders popular in the 44 - such as 296 and its near twin H110. Those same primers light easy to ignite powders well too - like Unique and 2400.
For a while Winchester also made a Magnum Pistol Primer, I just shot up the last of those I had bought from the 1980's or early 90's.
I also have good luck with CCI standard or Mag. primers. Have a few Fed primers but mostly I use Win and CCI.
I have used Rem, CCI, Win, and Fed primers for rifle reloading but mostly use CCI since they have been more available. I use the Fed 215 for quite a few of my 300 win mag loads.
For hand guns I load 9mm, 38/357, 41 mag (5 different guns) and .40SW - been loading since about 1977.
In the last few years there have been some good articles really getting down to the science of primers and carefully comparing load recipes where the only variable was the primer. I have been impressed with the wide differences in pressures and performance that can be found and I now tend to be more careful in following the recommened primer in a recommended load. If I don't have the right primer, I might start with a slightly lighter powder charge and work up just to be careful - except with 296 where loading down is not recommended. Wish I could quote you the articles but I can't. I read Handloader and Rifle a lot so you might do a search on the Wolfe Publishing Website.