A bit off topic from my original thread but as i found it extremely difficult to find, I have posted a link here to a review conducted of the Airbox Foresight by Dan Tye which featured in Pilot magazine July2009.
We now have another contender in
Although do bear in mind that this review was written some time ago and certain elements of the product are likely to have been improved by now. I do know that the Pooleys geo-referenced approach plates are now a standard feature.