Yeah ... this has been posted a couple of times, and just within the last week or so, but they were posted in other threads.
The link above is not so much about "Fuente Sizes" ... as it is a compilation of the 'very rare and very hard to get' Fuente cigars ... many that most of us will never see.
These are the links to 'sizes' ... and the MSRP.
http://www.keenwebs.com/herfindex/fuente.htm
http://www.keenwebs.com/herfindex/opus.htm