Thanks, yeah I've talked to a bunch of guys about this now and the consensus seems to be to just go with HT10 and if for some odd reason I have issues then change, but I'll probably be happy with it.
Where do you get your HT10s? I'm trying to shop around but the Canadian suppliers rip you a new asshole. The cheapest I've found, after tax, for rx7 front and e30 rear is 473. From tire rack, including shipping and currency conversion, it's 380.