VHX is definitely up there with flexibility and endless options.
My vote would go to the Hagen, or the Herbert Mk.3
The VH4 is incredible, no doubt about it - however I see the Hagen as an extension of the VH4s evolution; and the Mk.3 of the Herbert has been getting rave reviews from all kinds of different players worldwide. Are you in a band? Only reason I ask is "it's all about where the mids sit" - and in band/live/gigging sessions, I know the former iterations of the Herbert, while incredibly potent and loud, have a hard time cutting through the mix - whereas the VH4 sits perfectly, as does the Hagen.
VH4 - iconic, can't lose
Hagen - newer VH4 with more flexibility
Herbert Mk.3 - balls out nuclear
VHX - the Elon Musk of refinement & options