I would just put in a bent section around the driver. Here is what I did for mine:
Here is my thread about my cage: http://forums.hybridz.org/showthread.php?t=102715. I used the best info I could find from guys like katman, johnc, 74_5.0L_Z, tube80z, and others to come up with my end result, but I'm not exactly the go to guy on this stuff. This is the first cage I've ever done. These other guys can offer you more experienced advice than I can. Since you asked though, I would avoid trying to make the Autopower work with the S&W because the hoops are probably not in the same place, or at the same height, so I think you'll end up doing a lot of "adjusting" to make it work, if it would at all.