Auction Script

I am looking for a good Ebay-like auction script. I want it to be full of features. The ability to accept credit card, preferable thru [login to view URL] and also paypal is a must. I am a web designer. I can design the site around the script. If you have such a script already in action out there, I'll like to go visit and see. I must see it in action before buying. My budget can go up, if it is real good script. I don't mind Perl script, but I prefer it in PHP. Linux and mysql database.