I enjoy my Indian Reasonator v4, you can make entire patches with it or use it for subtle ambient backgrounds.

It could be thought of as a one-trick-pony but it all depends what you do with it, I'd personally fill your rack with other things first and wait for your next Case or bigger rack before getting the IRv4
-- wishbonebrewery

Thanks for the detailed reply, I feel I will probably get it sooner or later due to its ambient uses as you mentioned. Yes I will need a bigger case at some point ( Rackbrute 6U is on wishlist, this is the one I am most fond of so far) - although not as huge as the set up I see you have!

What would you add rather than the IRv4? in addition to the Big T music Veils.

Many thanks