I have a number of plug-ins, but I never installed the VST3 versions of them since I couldn't use them.
Now that X3 supports VST3 I guess I will go back and install them. 
The trouble is - I don't know which ones are VST3 capable.
 
Why don't we all contribute to this thread and make a list of VST3 plug-ins that are currently available?
 
That would help me a lot and perhaps others. (Or if there is a list already made please point me to it).
 
On a related topic, where do these get installed? I have my 32-bit VST2 plugins in G:\VST-32 and the 64-bit VST2 in G:\VST-64.
Continuing in that trend I would like to install them all in G:\VST3, but I think they may want to be in a special folder.
Any problems with changing the native location?
 
I want to keep my C-Drive as clean as possible and OS-related only.

Waves
Fabfilter
MeldaProduction
iZotope
 
are four vendors that come to mind

u-he
audio damage
dmg audio

Good question about which folder the VST3 plugs need to be? Or can be?

Most installers want to put them in their own world. I think segregating them from the older VSTs is a good idea.

More significantly, how about a list of functionality that's available only in the VST3 versions of plugins?
 
I've got VST3 versions from FabFilter and Meldaproductions plugins, but nothing in the documentation suggests that they have additional functionality beyond the 2.4 versions.
 
I'm trying to figure out why everybody's so jazzed about VST3. Is everyone just dying to use Vocal Rider?

Vienna Instruments {multi MIDI ports currently not working in X3}

Yeah, not only that but I have read about performance differences that may not favor VST3. Of course, reading about it and actually testing it are two completely different things. Especially since this is all new stuff.

One potential answer can be found in Noel's blog, where he talks about Region FX. Any ARA-compatible VST3 plugin can be applied to any random audio segment.
 
I read this to mean that if you wanted, for example, a delay on one phrase of a vocal clip, you could define a region and apply an effect to just that region. It's like clip effects but with greater granularity. It's the underlying technology for Melodyne integration.
 
I do not know if any other currently-available VST3 plugins are "ARA-compatible".

Novation V-Station
 
I had serious problems to run V-Station and Bass Station with X2, hoping VST3 will fix it. It will install where it wants- just set the path for VST scan.