You guys may already know all about it, but if you DO wnat to start a few things from seed, Alplains is totally awesome. I haven't bought from them for myself, but I did once for a friend.
Amazing selection of alpine wildflower seeds!
http://www.alplains.com/
In 2011, Alan received the Marcel Le Piniec award (North American Rock Garden Society). That award was for "enriching and extending the range of plant material available to American rock gardeners."