As the title says, post a ship and/or ship class you really want to see in NA
Here are my favourites:
Panteleymon-Victoria
Russian, designed by B. Pangalo, launched 1721, 66-gun SoL
Model: http://www.shipmodels.com.ua/eng/models/elite/panteleymon_victoria/index.htm
Fleuron
French, designed by B. Ollivier sen. and jun., launched 1729, 64-gun SoL, excellent sailor and one of the most beautiful ships ever made (in my opinion)
Model: http://www.modelismonaval.com/magazine/barcelona2008/mmagerotte.html
Plans: http://ancre.fr/Product.aspx?ID=3756252&L=EN
A French 8-pounder frigate, ca. 1750
Doesn´t matter which one (Renommee, Sirene, Comete, Ambuscade, Brune, etc). Would love to see one of those in the game, beautiful ships, all of them
Renommée model: http://www.modelismonaval.com/magazine/barcelona2008/elemaillet.html
Renommée plans: http://ancre.fr/Product.aspx?ID=3765255&L=EN
Ambuscade plan: http://collections.rmg.co.uk/collections/objects/82055.html
Comete model: http://modelisme.arsenal.free.fr/jacquesmailliere/La%20Comete/indexgb.html
Niger-class frigates
British, designed by Slade, first launched 1756, the ultimate british 12-pounder frigate
Model: http://collections.rmg.co.uk/collections/objects/66277.html
Plans: http://collections.rmg.co.uk/collections.html#!csearch;searchTerm=Winchelsea%252C_plan
Iris (Ex-Hancock)
American, later in british and french service, launched 1776, considered "the finest and fastest frigate in the world" for a couple of years.
Plan: http://www.kotiposti.net/felipe/Pictures/Hancock_1776/hancock_1776.html
A high res plan is available at the NMM (a digital copy is ~ 30 british pounds).
Bellona-class frigates
Swedish, designed by Chapman, first launched 1782, maybe the first successful 24-pounder class and their appearance definitely is different to other frigates of french or british origin.
Plan: http://en.wikipedia.org/wiki/File:Swedish_frigate_Venus_%281783%29-schematics.jpg
A high res plan of the Venus is available at the NMM.
Téméraire-class 74-gun ships
French, designed by Sané, first lauched 1782
Model: http://www.shipmodels.com.ua/eng/models/elite/le_rivoli/index.htm
Plans: http://ancre.fr/Product.aspx?ID=3702234&L=EN
Endymion
British, launched 1797, I don´t really like this ship, but the Conny needs something to play with
Plans: http://collections.rmg.co.uk/collections.html#!csearch;authority=vessel-310436;browseBy=vessel;vesselFacetLetter=E