Photoshop CS2 on ebay?

The seller has good ratings. Good in that regard. I bought PS6 with an upgrade to CS2 via Ebay. I don't remember from whom. That was a number of years ago and have been completely satisfied. The $400 seems a little much although CS2 is the oldest PS that can be upgraded to CS5. The Amazon price for this up grade is $200 this month. If you are not interested in upgrading, the price might come down later in June or it might not be there at all. Ebay is a risky place but I have yet to be burned by any purchase I have made. Most purchases have been for $200 or more.