ok so im looking into refretting my Dean Dave Mustaine VMNTX. however i have no idea what size of fret wire to get.

Any help on this would be greatly appreciated
Are you happy with the frets that were on there originally? or would you like to change?
That's probably a 6150 gauge, though a call to Dean to confirm would be a smart move. You don't want to get the frets on and find out that you really wanted 6100.