Recently I had occasion to buy a Ethernet Card for my PC. I had no idea of what I wanted except that I needed to connect an RJ45 cord between my PC and BB Modem. I called to Maplin in Limerick and the sales guy showed me their collection - prices varied from about €7 to €45 approx. He more or less picked out the cheapest, I asked why the difference and he lost me in his explanation except that I wouldn't require the expensive one. I choose a card for about €15 and went on my merry way. I installed the card and connected everything and hey presto my BB is working.
Anyway, the reason for this thread is to let you know that there are still some decent sales staff around, interested in helping the customer rather than just filling the till.
My thanks to Maplin.