This is a rather new itin with Princess and just started last year with only one or two cruises. Dh and I are going on basically the same cruise in Sept '11. We can't wait. By the looks of it, people are not wanting the Mexican Riviera anymore like they used to and Princess is seeing how "West Coast," will take. Judging by all the web sites, most sailings for the Sept 24 and Oct 1st are jam packed already. Sounds promising for long term new cruise itin.
We did the Wine Country Cruise on the Sapphire in May 2009 from LA to Vancouver. Great itinerary. Enjoyed wine tastings at Buttonwood winery and Firestone winery at the first stop. Our friends enjoyed Buttonwood so much they joined there wine club and still receive wine from them. San Fran was nice, great crab and sour dough bread at Fishermans Wharf area. Seattle was great with Pike place. The highlight of the trip was Victoria and Buchart Gardens.