1/They have a massive range of products
2/They have "Live" stock levels with most of their lines being in stock.
3/They are much cheaper than outlets in the UK.
4/They will only charge you the exact postage costs.
5/Orders are normally turned around and shipped within 24hrs.
6/ I ordered Sat 4th and received items today (10days from the US at this time of year)

7/ They accept PayPal.
Whats not to like