I sold one of my two first run Vari's... Nov '10... because I was on list for the Eclipse eq ($300)... but i had 2 so that is one easy instance.
What ended up is that the Eclipse was a first run fail, so I bought a new Vari...

When i bought the Provari, there was no other regulated power, boosted, VV like it.
Then came the Darwin.
Now there is Buzz Pro and the upcoming Infinity P... and VVPV.
ALso there is a couple box bottom feeders (monkey box, red sky - i think) and some smaller, plastic boxes: Sgt. Army Tank II ( i got it) and Krimson Kustoms. Which don't have LED readouts.
The Merlin from Mamu looks so sweet too.
This is all the latest generation in my view. I really like my Buzz Pro too.