Line 6 released the Variax bass (700 & 705) in 2005 which emulated 24 basses including solid, semi, hollow and synth.
Lots of folks don't like them but I really like mine. Rather than thinking of the settings as actual basses I just consider it to have a huge range of tones. As well as different tones the sustain and attack is different on different models. In a band setting they can sound great, especially a covers band if you want to try to copy original tones.