I'm afraid there aren't any ISO layout TKL boards with Clears that I know of. The KUL ES-87 is a great board and the PCB has support for ISO layout, but I have yet to see one offered in ISO. WASD Code is another good board that comes with Clears, but again, no ISO layout.
I have used UK ISO layout, Finnish ISO layout and US ANSI layout and in fact switch between them quite a lot and I like US ANSI most. It's pretty easy to get used to, so I don't think it should be such a big issue if the board you want doesn't come in ISO. It's also much easier to find good keycaps in ANSI layout.
Another thing to keep in mind is that a plate mounted TKL board will feel very different to your old Cherry G80. The G80-3000 is very.... flexible and soft feeling. Plate mounted boards are "tighter" and more precise. The KUL ES-87 or WASD Code will feel like a weapon compared to the G80.
If you're good at soldering, you could get any TKL board that you like (CMStorm QuickFire Rapid for instance) and replace the switches with Clears:
http://mechanicalkeyboards.com/shop/index.php?l=product_detail&p=597With some boards you may have to cut the little plastic protrusions off the bottom of the switches to mount them. The ones I linked to are PCB mount, they seem to be out of stock of the plate mount Clears which don't have those bumps.