Buying games on XBL Market place?

Hey I was looking on XBL Market place and it looks like you can buy games, but how? Is it possible?

Thanksssss.

Arcade games yeah but not full games :( And they cost Microsoft Points ;)

What Josh said but not forgetting the "classics" from the original xbox aswell.

Quote:

---

Originally Posted by Bren

What Josh said but not forgetting the "classics" from the original xbox aswell.

---

Those like the game 'Black' are available for download but cost Microsoft Points.

Heres a list for you: Click.