Here are some well-regarded convertibles:
Tom Binh, (Made in USA): http://www.tombihn.com/page/001/PROD/500/TB0906
Jandd (made in USA)
http://www.jandd.com/detail.asp?PRODUCT_ID=FRC
MEI (made in USA)
http://www.meivoyageur.com/
Tom Binh, (Made in USA): http://www.tombihn.com/page/001/PROD/500/TB0906
Jandd (made in USA)
http://www.jandd.com/detail.asp?PRODUCT_ID=FRC
MEI (made in USA)
http://www.meivoyageur.com/