one thing with the top slides on the drawers, the fridge will still be at the same height so no easier to access height wise. If that's important, Alu-Cab tilt slide works great and weighs way less than anything else out there that drops down.
I have goose gear, the system is lighter than most of the ones out there (again if that's important to you), the drawers do have a wood bottom so not meant for super heavy loads, like tools and jacks and such. It is modular 2 drawers, stacked drawers on one side, drawer fridges or a fridge cabinet like I have with a drawer under it. Anyway some ideas there.
I am going to build a prototype of a 2nd row delete system with a single seat on the drivers side which is not for driving so no seat belt provisions. mainly to accommodate a 13 gallon water bladder, a lot of storage and a seat/dog bed behind the driver since that is the side I Exit bed from, it gives you a place to put your shoes on, change, etc..
I have a different prototype system installed in my Defender 90 (classic one) which is a drawer system without sliders and well drawers.. it uses 2x2 rows of drawer cargo bags from a company in Australia -
Crashpod - https://crashpadgear.com/products/crashpods?variant=31198232641617
I use the same bags in the LC200 so everything just transfers from one truck to the next without unpacking anything, just move the bags. They fit pretty much all standard LC200 drawer systems. (I don't sell them just buy them direct from Crash pad). I may redesign the rear system as well to something similar as it would allow the fridge to push over to the left pretty far and allow some other items to move into better positions for space utilization as well as being a lot lighter.
Pic or else its useless
I sleep on the drawer side with a good 27" of room side to side at the narrowest point, I use a Hest 25" wide full length mattress. The fridge cabinet has a drawer below and room for 2 soft storage boxes above (tied down)... And there is a Koan shelf above it all, and one of my custom cabinets in front of the fridge which still allows for the rear seats to recline for daily driving duties.
This also shows a bit of my next production product prototype as well... which will probably interest anyone who camps with a 200..