I have a JET 13x40 which is very close to what the Grizzly is, which is close to what the ENCO is. The basic difference.....color.
If I had to do it over, I would hold out for a good used lathe. Do I like my lathe? YES. Can I hog with my lathe? NO.
I have slowed mine down just drilling a 5/8" hole. If I take a cut in aluminum of .100, it will either slow the lathe down, or stall it.
Is the JET accurate? YES. I can hold some tight tolerances.
What I don't like is that there is not a lot of adjustments in the belts to keep things tightened up so the belt doesn't slip when taking a big bite, or drilling a large hole. I had to swap out gears to run a ******* thread. All in all, it probably took close to an hour by the time the gears were swapped, and things adjusted to where there wasn't a lot of play between the gears. It's not a simple 5 minute process.
Would I buy another JET lathe? NO. At least not a 13x40. I would hold out for a good, used Hardinge or a Leblond.
Also, if you buy the ENCO lathe, you will really need to buy a Quick Change Tool Post and the toolholders to go with it if you don't have any from your previous lathe. Any of the Chinese lathes you get, come with the square toolholder that you have to shim the cutters.
But that is just my opinion of things about the lathes. All of the new 13x40's you run across will be almost identical except for a few knobs here and there. If you plan on doing large parts, even though they are "Gap" lathes, they lack the rigidity of the larger older lathes. Also, you are limited on the bore through the head for your barstock. I think my thru bore is 1 3/4".
For a home hobbiest though, depending on what you intend to do or make, the ENCO may very well suit you. I looked at those, I looked at JET, and I looked at Grizzly. The only reason I settled on JET was because they were running a special at the time. I got mine from
http://www.tools-plus.com/ Right now they are running a special on free shipping with orders over $50. And this is the lathe that I bought. It's a 13x40 belt drive bench lathe, but I bought the optional stand for it
http://www.tools-plus.com/jet-321360a.html
Like I said.......that's just my $.02 on it. Just make sure you read through the specs on all three, ENCO, JET, GRIZZLY, for that size of lathe, see what your shipping is, see if the stand is optional or comes with it, and anything else you need to compare with. I would print off the specs of all three and place the printed out specs side by side, and look them over to see what your best deal is. At the time, mine was JET, but I sure would rather have a Leblond or Hardinge sitting in it's space