>>>I would be interested to hear what you had to say
You wouldn't. Weerertyfy was the latest incarnation of our nightly spammer, using a computer-generated username to join AB and advertise cheap trainers via a dodgy link to a Chinese(?) website posted on all current threads. I zapped him/her/it in the early hours of the morning, as I do several times a week (and other moderators do as well).
The Royal National Institute for the Deaf (now renamed to the trendier 'Action on Hearing Loss') sells a range of products which might interest you:
http://www.actiononhearingloss.org.uk/shop/products-to-help-hear-tv-and-music.aspx
Chris