I'm not really sure why you need a program. If you've got a realistic figure in mind of how much you are willing to pay, then enter it in. I've won quite a lot by doing that and by being realistic with your bidding defeats the snipers. Please don't take this the wrong way but people try and expect a bargain on Ebay all the time and complain when the snipers bite. Put yourself in the position of the seller and ask yourself how much would you be willing to sell that item for? Once you've decided enter that bid in, that's all those programs do, but they have the advantage of bidding for you at last second without showing their hand so as to speak. I'm not having a dig, I'm just pointing out a fact.
Try this free bidding web site click here When you've registered and log on ignore the first page that tries to sign you up for their paid for service and go to page 2. You nominate your highest bid and it places it 10 seconds before the end of the auction. If you are outbid leading upto the end of the auction they email you so you can amend your bid (if you want). I've used it a lot and it's very good. The paid for service places the bid later (ie 2 to 10 seconds) depending upon your level of subscription.
I must be missing something, it says in Hammersnipe it will bid in the last ten seconds for the free version click here surely if you put in a sensible bid in the first place you will still win! And ten seconds on Ebay is an eternity. I've just recently purchased four different brand new items to a new value of £400 which I paid a total of £85 and I beat the snipers every-time, because I was willing to pay a sensible price for them and I still won them for less than my maximum bid.
LOL - A colleague at work was bidding for an item against his wife. He was at home and his wife was at work, they spent the morning bidding against each other! Finally his wife gave up and he phoned her to announce he had won the auction. You can imagine the response.