Also, it is important to remember that MB recipes are brewed at ale temperatures with ale yeast. The use of the word lager for MB HME cans only implies a loose interpretation of a larger style in an ale. I get the feeling that you are not yet ready for more advanced lager brewing, but you can still make some great beers using the MB HME and yeast. Nickfixit had a great suggestion.
Target is the main distrubitor listed on the Mr beer website. in my area I looked up the one other listing. turns out that it is a local brewery supply house. they told my the ingrediance are sold as food and by law is tax free.
I buy there and no shipping. win win for my Its also nice to know I can talk to someone face to face