Earlier quoted context omitted.
That's not exactly how it works. They give you a total comp number, and then you choose the cash/equity ratio yourself, which you can change each year. A lot of people chose the all cash option because they didn't understand there equity option, so they changed it to give everyone a little bit of equity regardless, but you can still opt to get extra equity in lieu of cash, and change that election every year. I think…
Don't you pay tax when you actually get the equity? How is it different to getting cash and then just buying the stock?
If it was straight stock, then yes it would be rather equivalent to getting cash and then buying stock right away.