I've been with Photo Affections for 1 year now and I cannot be more thrilled about being part of their team. They just posted their 2010 Holiday card collections. Seriously, there are all sorts and I'm sure anyone can find a design to match their style.
Another adorable online company I work for is PeaPod Announcements. Earlier this week they just launched a new site. I've been working with PeaPod's for about 2 years. They are offering more than just announcements/invitations. Be sure to check out all the goodies and the new site.