Comparing the various Wall-E steelbooks is like comparing the FS and Play versions of Iron Man (when those were the only 2 available).
For me, I hate blue banners so Play's IM was my preferred steelbook. That said, the colour of the FS version was richer. However, the FS version also had a wider border so less image on the front compared to the Play version. While I still much prefer the Play version over the FS one, there's no denying now that some of the later versions are far superior to both.
The problem at the time though, was you couldn't say you preferred the Play version without someone accusing you of jealousy because you 'clearly' didn't own the FS edition and wanted to. In my case that simply wasn't true, but whatever.
All of the Wall-E editions will have their fans and while I haven't yet got any of them in hand, based on my general preferences I suspect I'd like Zavvi's version the most. The colours look strong, the embossing will be good (hopefully) and it's got a nice glossy finish. It'll also match all the other Zavvi Disney/Pixar steelbooks (except Monsters University) and as I have a set of those, that's important to me.
I never buy to resell, just to keep on my shelves so I'm only ever interested in the edition which I want to see (the spine of mainly) on the shelf. Also, and call me lazy and cheap, but I'll also usually order whichever steelbook is the easiest to get and costs me the least.
