CD Wow is alright when everything works. They're perhaps slower than most at shipping and delivery, but given products typically come from Hong Kong that might be excused.

The trouble with CD Wow comes from orders they don't fulfill, a frightening amount in my experience. I have ordered items that they quite clearly said were in stock, only to be told they weren't and they didn't have any clue if/when they'd get more stock. One then has to wait for a refund, while they hold the money. I no longer trust the stock information on the site, and won't order from them as I know I might be given the runaround.