CreativeMac noted in November that Quark was planning on introducing QuarkXpress 6.1 in the "near future". The update is said to have Panther support, performance enhancements, better Excel integration and font tools.
MacBidouille notes translates an account of 6.1 being demoed by Quark in Belgium. The report notes additional features, bug fixes, Panther compatibility and QuarkDDS.