Misa,

Actually you can see who the high bidder on your 
auction is.  How you do it is go to the "my ebay" 
page and then to the items you're selling page. 
From there you'll see a link at the top of the 
listings that says "see details" and if you click 
on that it will bring up who the current high 
bidder is.  You can't see any previous bidders 
though.

Hope that helps,
Sheri (too lazy to log in)