I used the boot type for years then last year was given a pair of stocking foot.I use them with a pair of light weight steel toe cap work boots(ankle high)-really comfy and good grip.I find them lighter and less sweat prone than boot type.Of course you can always wear the boots and fold the waders up,walk to your mark then put them on.Just make sure the boots get a fresh water wash after use.
I'd recommend the Grey stocking foot, not to pricy at around £80-£90 and really light and comfortable.
Had mine a few years now and had no problems, get a pair of walking gaitors from Go Outdoors if you are going to be walking in rough undergrowth or wading in rocky areas, they will protect the waders around the ankles. A pick up a pair of boots that are a size bigger than your foot and wader size.
I've had 4 different types, 2 boot , 2 stocking, 2 neoprene, 1 rubber and the lightweight Greys.
Waders can cost a fortune so try and match the amount you are willing to spend to how often, and what you want from them. Avoid the boot type if you are going to be trecking long distances.