For those who like to collect lists and numbers, it appears that in addition to the known 13 satellite galaxies of the Milky Way:
http://www.astro.uu.se/~ns/mwsat.html
a further 2 have been detected in
Bootes
http://cul.arxiv.org/abs/astro-ph/0604355
and Canes Venatici
http://cul.arxiv.org/abs/astro-ph/0604354