I've not used them but Shipwright recommended Certainly Wood to me a few years back.  He likes them because they have thicker veneers available, unlike the paper thin stuff that most places carry.  They may have the thin stuff too but I think that he said that he usually uses the 1/16" thickness.  

--Nathan, TX. Hire the lazy man. He may not do as much work but that's because he will find a better way.