I’ve been using Ignite Amps Emissary since it came out, and it’s absolutely fantastic. Now it is very “solid state” sounding, but if you’re looking for an ultra crisp clean tone, or a ultra clean heavy metal tone, it’s perfect. All of the Ignite Amps plugins are fantastic actually. I use their impulse loader for cab responses NadIR no matter what amp sim I’m using.
Can’t go wrong with LePou either.
I actually don’t mind Renoise’s cab sim for clean guitar tones, sometimes it’s even cool sounding, but anything with any grit or distortion at all I go elsewhere.