WarmWaterDiver:And, as Jonnythan mentioned, if you just want a wrist mount version it's even less $$$, but you'll need a SPG for your reg set one way or another. Just an individual preference on console mount vs. wrist mount on dive computers themselves. Some folks like console mount DC's best, some folks like wrist mount DC's best.
http://www.scubatoys.com/store/detail.asp?PRODUCT_ID=AerisAtmos1Wrist
Or, you can even use retractor mount if you want . . .
http://www.scubatoys.com/store/detail.asp?product_id=AerisRetractor
And one of these is cheap investment against scratch protection, whichever mount you choose.
http://www.scubatoys.com/store/detail.asp?product_id=AerisRetractor
Thanks, I think I've made up my mind to go new v. old and or used. This weekend might be hard on the checkbook.
Tom