Don't have 50K UV daily (that's very high unless you mean daily page views, which are above 60K of mine, daily).

If you're interested have a look at below:

http://www.besthostingforums.com/33-...c-traffic.html

Easily gets up to 15K UV daily, sometimes more than that. I accept PayPal & if buying through credit card, you can directly pay over buyads.com link which I provided in above thread.