Not quite what you asked for, but have you seen 'Snipe it Now'. You can enter a snipe from eBay, no copy and paste, just click a button on your links bar, and enter the price.
Third item on the help page.
http://www.auctionsniper.com/helpsnipeit.aspx
You'll have to turn any pop-up blocker off, or allow them at eBay.
Wow, 100 a day!! How many do you usually win?