I have 3 of the Leupold 30mm LRT's, one 6.5x20 and two 8.5x25's. For the money I think they're the best thing out there.
Until I can justify another $500-$600 for a Nightforce I think I'll stick with them. I do have a Burris BD 6x24 on my 1000yd BR rifle but I like the sidefocus and more elevation adjustment along with the 1/4 min clicks of the Leupold better, clarity seems about the same.
I had a Leopold Mark IV 16 power, 4.5X14 LR mil-dot, and a 8.5X25 LR duplex. They all worked great, except the Mark IV, which had a bent reticle(had it on a Barret), but Leopold fixed it in less than a week. Great service. Ended selling them after seeing the IOR Valdada 6X24X50 MP-8 reticle. I like the reticle design and etch glass better the the more plain Leopold reticle. Their service is also very fast, and they have a lifetime warranty. Also had the Nightforce NSX 5.5X22. Liked it alot, except the reticle is a little fine(hard to pick up sometimes). Great lit reticle.
Don't own any Leupold scopes (might be the only one on this board). For my eyes, they are sometimes not very clear. Have looked at a variety of models up to the Mk4. Optics are at best very good. Elevation adjustments are not anymore except in the LR models which are very pricey in Canada.
For me, the best scopes are the Elite 4000/4200 series of scopes. Better resolution and clarity. Equal in operation and adjustment. A bunch cheaper. I just wish they decide to make a 4200 10X or 16X like the 3200 series. Luppy would be in big trouble then.
Also use the Tasco Super Sniper and compared to the Mk4 10X, I would go with the Tasco. 1/2 the price doesn't hurt either. I feel my friends Leupold is about as clear as my Elite 3200 10X which is not as clear as my Tasco, which is not as clear as my 4000 6X24.
I am very interested in looking at a IOR. Have heard many good things about them but have never seen one in person.