LS series is used in all sorts, corvette's, viper's, vxr8, holdens, caddilac etc. Anything to do with GM will probably use it in the higher end vehicles. There really good motors and are finding there way into muscle cars quite frequent, not quite bumping the small/big blocks off there pedestal(sp) but they are very much s the sought after motor nowadays.
Think you right about Martin, wasn't he doing a viva or chevette?