I would wait, I tried her but ended up using a refund.  She seems to me less realistic than V3!  There is also another issue that should be adressed, it may seem slight but...

The skin is fantastic, the morphoforms are good but they forgot to texture or do something with her teeth!  So you have this realistic skin, nice sized head and hands but when you open her mouth she looks like she has plastic dentures!

   Sure, you can fix that in post, but if your fixing that in post you could just as easily fix the skin negating the need for the hi-res skin which is her hot selling point!

The package itself isn't a must have, the hair has nothing in the way of "blowing in the wind morphs" so it just sits there.  Awful souls contributions are great as always but until we get a normal clothes pack or at least the body suit this character has very limited uses.

The eyes are nice,but a little to bright which i saw someone else refer to as corpse eyes, this too can be fixed in post, but again...why bother upgrading right now if you still have to do that?  
    Pricing is competitve, but you take a chance jumping in this early because you have many content makers very happy with v3 and seem hesitant to upgrade at the moment especially near christmas..

For my uses, I guess I dont find her at this time as realistic as hyped which led to my passing on her for now, though with add-ons im sure she will be the "Bee's knees"