Dear Jemm: If you go for the VPI up-grade then you could consider a VPI tonearm.
here are some good options for a different tonearm:
http://www.audiogon.com/cgi-bin/cls.pl?anlgtnrm&1267456794&/Rega-RB700
http://www.audiogon.com/cgi-bin/cls.pl?anlgtnrm&1267295574&/Signet-XK50
http://www.audiogon.com/cgi-bin/cls.pl?anlgtnrm&1266720501&/Jelco-SA-750D
http://www.audiogon.com/cgi-bin/cls.pl?anlgtnrm&1266519737&/Audio-Technica-ATP-12T
and for a new cartridge this one is very good:
http://cgi.ebay.com/Ortofon-M20FL-Super-MM-cartridge-M-20-FL-Super-NOS_W0QQitemZ120492170569QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item1c0de49d49#ht_2634wt_1165
Regards and enjoy the music,
Raul.
here are some good options for a different tonearm:
http://www.audiogon.com/cgi-bin/cls.pl?anlgtnrm&1267456794&/Rega-RB700
http://www.audiogon.com/cgi-bin/cls.pl?anlgtnrm&1267295574&/Signet-XK50
http://www.audiogon.com/cgi-bin/cls.pl?anlgtnrm&1266720501&/Jelco-SA-750D
http://www.audiogon.com/cgi-bin/cls.pl?anlgtnrm&1266519737&/Audio-Technica-ATP-12T
and for a new cartridge this one is very good:
http://cgi.ebay.com/Ortofon-M20FL-Super-MM-cartridge-M-20-FL-Super-NOS_W0QQitemZ120492170569QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item1c0de49d49#ht_2634wt_1165
Regards and enjoy the music,
Raul.