a synth is not Genre based. Genres are based on Synth.
Virus has a "trance "reputation and people think that is bad... its very simple if you want presets , yea then virus comes close to be able to called a trance synth. BUT a synth is only as good as the person behind it.
For instance: TB303 was created for "acoustic musicians " to have a bassist with them all the time...... well it became the ACID machine.