I believe you are correct Mark, that the old Discwasher VRP, and new Mo-Fi Sleeves are one and the same.
FMueller, the reasons I always slid in Inner Sleeves with the opening facing up, was less chance of dust intrusion, and the other, was having the LP roll right out if you accidently held the LP Jacket the wrong way.
I can certainly understand the reason of cost, especially considering a large initial order to catch up.
Being into Analog seriously for over 35 years, I think I've just about seen them all, including the old poly lined Rat Shack Paper Sleeves, which had gold dashed lines on the outsides of them.
In truth, most of my collection now resides in Mo-Fi Sleeves, but I still have some less expensive Sleeves that were a Poly Lined White Paper Sleeve, and the quality was very good, and I've never had problems with these.
I had bought a couple hundred years ago from MusicDirect when I lived in Chicago, and the thing I noted about these particular quality lined Sleeves, was that a stack of 100 laid very flat, they were not all "puffy", and warped-wavy looking like some others I've seen.
Typically, I've seen quality come, and go over the years, and I've also seen MusicDirect carry some real junk as well. More than one time I've returned Sleeves to MusicDirect, both in person years ago, and more recently, with a Mail Order, in that thier so-called Japanese Resealable Outer Sleeves appeared to be bootleg, I was not at all happy with them, even though they sent me another 100 free.
Firstly, they bent the first order of 100 in 1/2, and then shipped the second order the exact same way, even after I specifically told them to pack in a larger box. They got back all 200 at my cost to ship.
While the Mylar material appeared similar, they were not the same, the resealable strips were poor, not sticky enough to firmly hold, even after one opening.
Elusive Disc had the proper "real" Japanese Outer Sleeves, was much more money, but I'd rather have the real deal, than a knockoff that doesn't do what I want it to.
As I previously said, I feel there's nothing really wrong with the Poly Lined Paper Sleeves, provided they are of high quality. Some of mine are probably anywhere from 10-15 years old, still look like the day I bought them, have held up perfectly, they've done thier job admirably, and will probably last another 2-3 decades! Most importantly, they have protected the LP, and I see no downside that they contain paper on the outside.
For a penny each, plus I'm sure reasonable shipping, it might be wise to get a few of each of every sleeve that Sleeve City carries?
I've never ordered from Sleeve City, but I've heard nothing but good about these folks from others. Mark