Picking up a Logitech G300S mouse for $36 (RRP $59.95) is already solid deal, but add a free copy of DOOM, Skyrim or Prey and it becomes amazing. Unfortunately, stock is very limited, so if you're keen, I wouldn't spend much time tossing it over.
The offers are available via EB Games' eBay store. The download links for the individual deals are below:
Delivery is an extra $4.95, however, it sounds like you can walk into your local store and get in on the deal, as long as stock is available.
If you do decide to get it delivered, you can shave a few dollars off the price using this eBay coupon:
At the time of writing, online stock levels were very low — we're talking 5-7 copies for each game. First come, first served!
Update: And they're sold out! Still, you might get lucky in-store and EB has refreshed its eBay stock before, so keep an eye out.