Those 3 you mentioned, PHD,EVV, BLW, seem to have just cut their payouts by 20%, 5%, and 16% in the last 2 months... perhaps even they are not so insulated from our current "troubles".
ref: yahoo
http://finance.yahoo.com/q/hp?s=phd&a=00&b=1&c=2004&d=11&e=31&f=2008&g=v
http://finance.yahoo.com/q/hp?s=evv&a=00&b=1&c=2004&d=11&e=31&f=2008&g=v
http://finance.yahoo.com/q/hp?s=blw&a=00&b=1&c=2004&d=11&e=31&f=2008&g=v
