I went a couple of years ago and can highly recommend it for work retreats. Very peaceful, enthusiastic islanders, and a surprisingly good internet connection. (Transit comes from a nearby university, then fibre to the coast, then a microwave link to the island, then small microwave links for each house, IIRC.)

Here are some films somebody I went with made about the internet and the island shop:

http://text.louisedowne.com/post/relative-economies-of-scale http://text.louisedowne.com/post/relative-economies-of-scale...