Originally Posted By: Russ
My gut tells me that the new Garmin chipset (eg., GPSMAP 60CSx) would receive GPS signals bouncing down those walls.


Me too.

The eTrex Vista Cx does not have the high sensitivity chip set. I suspect also think the high sensitivity chip sets would get a fix. This means that the McMurdo Fast Find - which I'm pretty sure has a high sensitivity GPS - would probably also get a GPS fix.

Ken