What are the alternative Android app markets?
I've had issues downloading paid applications from the Android Market and it seems I'm not the only one. I've set up my account correctly (I've been billed) but the download sticks on "Authorizing credit card...". I've tried cancelling and rebooting, but without success. I see that some in the linked thread got it working after leaving it on overnight, I left mine on for more than a day and still no joy.
For the particular app I was after I found it at slideme.org, but their selection is very limited. I'm looking for other sites that will allow me to purchase paid apps that have a comprehensive selection.