i did the research, or so i thought. everyone remarked at how good the samples sound, how natural the grooves are... yes, a few crashes here and there, but not a showstopper.
so i plunked down my $99. just goes to show the difference between googling "ssd4 crashes sonar" and "ssd4 crashes."
long story short: it crashes sonar x2a intermittently. sometimes i can get actual work done, as yesterday i worked for 20 minutes without a crash, then, other times, clicking on a groove or loading a new kit crashes sonar.
cw can't help, won't help, even though they are aware that this piece of sw is buggy, in fact, one cw tec told me that most of the tech support calls deal with this bogus piece of sw. seems that all steven slate sw except ssd4 is quite well-behaved. cw can't give us a heads up about ssd4 because politically "we don't do that."
so, if you get ssd4, be prepared for outrageous sounding samples and grooves that many times cause sonar to crash. ssd is unavailable for support - they don't answer their phone or emails to tech support, and cw can't fix ssd's bad sw.
just my 2 cents plain.