Zepher - we did our Greek cruise on Princess, but it was a 12 day cruise. I remember tha two years ago NCL had two 7 day cruises out of Venice, one that made mostly island ports and the other mostly mainland ports.
A Bad Day At Sea [with power] Always Beats A Good Day At Work
Alaska 2014 - haven't picked a cruise yet
Carnival: Glory 2004, Destiny 2008, Splendor 2009, Freedom 2011, Valor 2012
Celebrity: Summit 2011
Princess: Ruby 2010, Caribbean 2013