I have read that the Festool saws do well.
http://www.festool-usa.com/portando/index.cfm

This is correct. The Festool plunge saw and the rail do an excellent job.
You might like to check out some reviews:
http://benchmark.20m.com/tools/Festo...toolIndex.html
http://www.cjohnhebert.com/toolreviews.htm
http://www.woodshopdemos.com/men-fes.htm
http://www.thewoodshop.20m.com/festo..._55e_part1.htm

Hope this helps,

Christian