Im not sure about overall support,
I dont get to see as much Time Attck as i would like, and this year almost zero I suspect. But from my view looking at the paddock it seems as busy as ever, with loads of the usual suspects (has Gareth Lloyd actually purchased the old RC Evo ??) but with even more leftfield machinery, like that pulsar, or a totally awesome looking 70's VW Polo widearch straight outta BergCup, the 6r4, a fully carbon bodied RS Cosworth (yep the 3 door one

), ex BTCC cars and god knows what else, it certainly seems busier than ever.
Dont frequent the forums as much myself now, and certainly not to weigh myself down with boring laptime discussion and which kind of poly to use for your windows
J.