Ok thanks for the advice, will check em out.
Have come across these from HPI during my search which I was thinking about. Low profile radial soft compound and X pattern belted.
http://www.hpieurope.com/piw.php?lang=en&partNo=4521
http://www.hpieurope.com/piw.php?lang=en&partNo=4495
Anyone tried them and know if they are any good?