The effective mass of your tonearm basically determines your choice of cartrige in terms of compliance. Higher mass arms are generally coupled with low compliance designs & the lower mass arms with higher compliance cartriges. George Merrill writes a very useful & inexpensive booklet about this & many other analog issues analog setup booklet. Also see http://forum.audiogon.com/cgi-bin/fr.pl?eanlg&1114527606&read&3&4&
