masterstrack.com

Very hard to find Nike Rotational Shoes in 13-anyone have suggestions for a vendor or other shoes?

Try: http://www.fitnesssports.com/FieldEventShoes.html#Spin
They don't post the size availability on line...but they've never been out when I've called.

I'm not sure if you're looking for fast spin, or just "throwing shoes" but Dick Pond seems to have all the models except for the Zoom IIIs.
http://www.dickpondathletics.com/browse-cat.asp?ID=248

Thanks for the info-I tried them already-can't find a 13 anywhere.

I have purchased quite a few track and field shoes/spikes on eastbay.com with good results. In looking at their online catalog they appear to have the ASICS Hyperthrow shoe in stock in size 13. Might be worth a try.