I found these Stainless Steel Cup-holders online and they look great in my 1998 Rinker 272 Captiva Cuddy
Just an FYI if any one else is looking to replace theirs, I got the deep 3-18" ones swapped them out pretty easy.
Just pried up old one with screw driver , cleaned up old caulk and installed the new ones that already have double sided tape or you you can use a semi permanent caulk if you would like.
http://www.bakesonline.com/detail.aspx?ID=643I bought 9 with shipping was $80

I will post a pic later.