for your information:
with Version 2.04 … it’s possible to open the Absynth edit window within Renoise …
ow, this is great, didn´t even tried ab2 anyway… let´s take a look 
edit
ermm… could anyone tell me where to find a absynth2 demo?? I only see absynth1 on their webpage 
i think for absynth-pro-user and sound-styler there are really new features in v2 … for me as preset-user only or little bit preset-modifier there are no real differences except a better ab-engine
wow so I’m not the only one who looked at that “2” this way: 