I would have to say that it's the RWS system for me rather than any specific deck. All I knew for years were the gold box RWS and the (seemingly) complicated Thoth. But the gold box is no longer my "go-to", and my "go-to" varies. It's always an RWS clone, cousin, or variant, however.
It's fussy, limiting, and all the other things that TdM reader say about it, but it also works. I guess the RWS is like comfort food for my metaphysical appetite. Sure, there are nicer dishes that the cognoscenti fully endorse, but oftentimes a grilled cheese sandwich gets results. I like results.