If you get a new dish it will have the tight mesh, if you want a used dish look around for a used one maybe get it free

make sure it is in good shape know damage and is not warped and try to get nothing less than 10', to get both
C-band and Ku-band you will need a dual band feedhorn with both C-band and Ku-band lnb's, to move the dish a old analog IRD will work or the best would be a 4dtv with a DVB unit slaved to it, here is a list of some big dish dealers:
http://onsat.com/phpBB2/viewforum.ph...e508c90 ce6a1