I've had this phone for over a year and love it.  The single base, multiple handset design allowed me to get rid of almost all my other phones (I kept an old fashioned corded one to use when the power went out).  My favorite feature is the speakerphone on the handset.  It has good volume and you can stand the handset up in the middle of the table and let the kids talk to grandma.

Never had any issues with interference or range, although I've not tried to take it very far out of the house. 

As far as durability goes, I've never dropped one, but I left one out overnight in heavy rain once, and...