Right on! The mustang will definitely handle the fun track days no doubt.
This is my first mustang so I can't speak about the previous s550 mt82, the stock one on the s650 felt pretty good but the MGW short throw is a much better feel and is a must have if you go manual.
I bought some s550...
There is nothing wrong with tracking the car as is but if you are chasing lap times/records, it will get costly.
I have done it all (drifting, track day, autocross, and drag) with mine already and it is all stock besides a MGW X-spec short throw shifter. For being a stock mustang, it did...