I checked on this too when I got to play with the HVX. It has two ports instead of one LANC. Has one for zoom and one for focus. I think varizoom is making an updated model for the HVX and I think that splitting the two might be more of a pro solution. I have a varizoom that i use on my XL1 all the time.
I am wondering if anyone is going to be making a water housing for the HVX. Slow-mo wake boarding in HD could be awesome.
Yes waterproof housing would be great.. imagine the shots... I saw on the varizoom site they have a zoomer etc for the HVX.. I just thought there might be a workaround for the varizoom I already have with the LANC type jack.