When I looked into getting a Britrail pass back when my wife and I honeymooned in Scotland in 2000, it was highly recommended to me by a freind who frequently visits England.

I looked at the map of locations on their web site, though, and I could see why. It literally criss-crossed the entirety of England, but in Scotland it pretty much just hit the major cities (Edinburgh, Glasgow, Inverness, Aberdeen, etc.)

My wife and I planned on spending a lot of time in more rural areas, so we decided to hire a car through bluewheels.com. It was a great service and very reasonable rates.

This was almost ten years ago, mind you.