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You can tell VirtueDesktops to not automatically switch desktops to show the focussed application (have a look under the application preferences...
Andrew, as an aside - are there plans to provide tools (graphics drivers, mouse drivers, etc) similar to the windows ones for linux or...
'Lurking' is a bit strong. I believe I loiter with purpose :) Parallels - if there's anything I can do from the VirtueDesktops end, let me know...
I'm the author of Virtue - if you guys at Parallels are interested in how this is done, drop me a line - I'll provide you with commented code.