RC:

 

He was pretty impressed with the sound of my R8 and didn't know that this car sounds so good (his 570S had a decent deep growl at lower revs and a pretty loud sound at higher revs but was not even close to R8 sound).

Yes  - no way the McLaren V8 can compete with a lovely V10 sound. It will be very interesting to see how the upcoming Huracan SL (although a I heard a rumour that it will not be called SL anymore Smiley) sound compares with your V10 Plus.