That being said, if anyone ever revives the LAR Grizzly, then I could see buying one chambered in .44 Magnum.
Why wait??
I mean why wait until it is "revived" by some future maker? It may never happen. There are Grizzlies on the market still, all you need is the cash and the patience to wait until you find just what you want for sale somewhere.
Though you may not be happy with one in .44 Mag. I wasn't very happy with the one I had, and happily traded it (and some more cash) for one in .45 Win Mag (the more cash was due to the hard chrome finish, (my .44 was blued) and a couple hundred rounds of ammo that came with the .45 win mag gun.
What I didn't care for about my .44 Griz was that there were some feeding issues, and if I remember right, the magazines would only hold 6, due to the space taken up by the rimmed case. The .45 Win magazine holds 7.
Other than that, it was a fine gun. The .45 I have now is even better.
My take on the .45 Super and the .460 Rowland is, why bother?? You don't get nearly as much from either of them as from a true magnum round, and unless, for some reason you are wedded to a duty size pistol (even on the large end of the class) I don't see a benefit. I'm happy to go to a larger gun, to get the greater power it offers, and the greater control the large heavy pistol brings with it.
One of the things I love most about my magnum semi autos is the recoil. And, by that I mean they recoil LESS than magnum revolvers. And, the feel is different, due to the different shape of the grip.
Yes, the revolvers are lighter, and there's no free lunch, but I will take the larger, heavier semi auto magnum if I have the choice, because its more pleasant to shoot.
They aren't EDC guns, and the only concealment you get with one of my magnums is a shoulder holster under a field jacket, but, so what?? I have other smaller "regular" pistols to fill those needs.
I can shoot the same weight and caliber bullets the magnum revolvers do, and sometimes at even higher velocities than the revolvers can manage, and do it with less felt recoil. That's a win, in my book.
A local indoor range used to have bowling pin shoots back in the late 80s and early 90s (alas, no more for a long time now) and I'm not a speed shooter who practices but I've taken 5 pins off the table in 5.36 seconds with my .44 Auto Mag and 7 pins in 4.37 seconds using a Desert Eagle .357 mag. Didn't even place 3rd, I'm not in the class of the good pin shooters, nor are my magnums, but it was FUN! And, they had to get fresh pins for each run!
I couldn't even come close to those times shooting a magnum revolver.
That's what I have my magnum pistols for, my personal enjoyment. And you might be surprised at some of the actual "practical" things they can do, as well.
Unless you're talking snub nose and concealment, if you can do it with a magnum revolver you can do it with a magnum semi auto. Though you can't do everything with every one of them. Desert Eagles should not be shot with lead bullets. EVER. The maker says so. I won't run lead bullets in my Wildey, either, though the maker didn't specifically prohibit them.
Auto Mag, Grizzly and Coonan will all run suitable lead slugs without problems. They are recoil, not gas operated.
If you can keep the lights on, kids have shoes, everyone gets enough to eat, then take some of your money and GET what you want. Get in now, or as soon as you can, so you can enjoy it.
IF you get paid on a regular basis, then every week, or month or whatever, you get more money. What you don't get, and money can't buy, is more TIME.