I like these titchy ones like One Up etc, no reason for anything bulkier with a narrow/wide ime. They do seem expensive for what they are- you get about 1/3d as much stuff after all- but they work so well, anything else is a little bit of a false economy really.
(I went for a daft Shovel carbon fibre guide, because it was cheap at the time, and it is lovely. The 2-bolt ISCG design meaning it can be fitted without removing cranks is such an aid when setting up, too. Really is a very fine bit of kit.
Why do you want a skidplate type? Not going to say they’re pointless, but it’s extra noise, weight, drag and hassle and for most folks doesn’t really add anything. Your chain’s steel, it’ll stand up to an occasional bump.