I'm looking into getting a Cheetah GPS mirror to either go with my 8500 X50 or get the new 9500ix and what it seems to come down to me, personally, is the thin annoying voice/ sound I hear on these Cheetah Mirror youtube vid clips.

I see no particular advantage as far as Radar function from Escort 8500 X50 to 9500ix. X50 is perfectly apt in detection area as far as I'm concerned.

The thing with Cheetah is I might have to get the $100-ish Cheetah interface to X50 besides $300 main mirror unit and this system is not as self contained and tidy as Escort... and most of all if the actual unit sound as thin and annoying that'll give me the headaches... compared to the 9500ix's much more real dimensional voice. There is a Radar Roy's vid clip that has both of the voices and you can tell the difference.

How is the sound of this Cheetah mirror in real life?

Also another important thing to me is how many entries can you "mark" on the 9500ix? I know you can mark 100 on the Cheetah.