Q: What does the conventional controller cradle/shell do?

A: This add-on makes it possible to play Revolution games in a more
traditional manner. The shell is designed to look and function like accepted
"regular" controllers, such as the Wave Bird. After its bottom casing is
removed, the Revolution's free-hand-style remote is inserted into a gap in
the middle of the controller shell. Gamers can then use the shell as they
would a traditional controller, with a notable difference: the pointer
remote's sensory functionality remains active. As a result, gamers get the
best of both worlds: more buttons and two analog sticks along with
motion-sensing operations. In a Revolution version of Madden Football,
gamers might be able to use the combo to control players with the shell's
analog sticks and execute pinpoint passes with the pointer's improved
accuracy.

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OK.  I feel a lot better about this.  The conventional controller 
cradle/shell sounds great.

Craig