Record Sleeves - Which ones and where?


I'm looking to replace all of my record sleeves with better ones. I've seen polyethylene, polypropylene, and rice paper lined. What's the difference? I'm looking for the best place to buy them too. Is it worth getting outer sleeves too? Please advise. Thanks!
spenceroo
I forgot to mention that I hit the motherload during the past week finding well over 200 albums in virtually brand new condition (even the sleeves look like new) and all for $1 each. Everything from obscure Gentile Giant LP's to Ry Cooder, Steely Dan, Dave Mason, Dire Straits, and on and on. I also found a near mint Ariston RD-11S that works perfectly for $200. What do you guys do with all of the original sleeves after you put your albums in new ones? Will they fit in the new outer sleeves along with the album? There's a lot of info on most of the original sleeves that I like to read while I'm listening, and I don't want to have to search through hundreds of original sleeves to find the one I'm listening to.
whatever you do stay away from Sleeve City.

2 sets of different sleeves in different shipments came in bent up.

They offered to let me return them, but between shipping

and my time it wasn't worth it. They would not reiumburse me for return shipping so they wont be getting my business any more.
Spenceroo,
What I have always done, and I'm sure all will agree with my practices, is that any plain jane inner paper sleeves with no writing on them, or the ones that may show just other releases by the manufacturer (EMI-Capitol, RCA-etc) I usually dump as quickly as possible.

Those that have Pictures, and/or Lyrics, and information about the particular release, definitely do keep them, and in general, I have usually found ample room to place these inside the LP Jacket with the LP, and new Inner Sleeve without too much crowding, or difficulty getting the LP in, and out.

If you should personally find a release, in which it is just too tight a fit to fit both Inner Sleeves, then yes, place the saved original inner Sleeve outside the Jacket, and place at the rear of the Jacket within the Outer Sleeve for protection, and safe keeping for future reference.

Hope this helps. Mark