J20,
I hope a late reply is better than no reply. As of late, Kiser and I have been working to the bone on the membership area and a bunch of other projects. (just so you know we're going to release an interview with Ari Bolden shortly and I'm hot on the trail for an interview with Joanne of the MMA Girls).
But anyway, back to the subject. In our system we employ two separate stances. Boxing and Muay Thai. We use the Boxing Stance at close range and the Muay Thai stance at long range. But one of the biggest problems I see beginners struggling with is phasing between the two and using the proper stance for the appropriate range. Many times I've seen students use the Boxing Stance at long range. When I see this I always kick their leg. It's just mechanically pre-disposed to being kicked due to the 45 Degree angle the front foot is set at. It begs to have the sciatic nerve kicked.
So my suggestion would be use a Thai Stance at long range. The front foot points down your opponent's centerline and helps to sheild both inner and outer leg kicks equally well. If that front foot is angled in it asks to be kicked on the out side. If it is angled outward it begs to be kicked on the inside.
Also, if you circle out to deal with the punches, the kick will not land with any signficant force.
Hope this helps.