Amazon's Deal of the Day is one that I wait for. Logitech day. We've seen it before and it never fails to get me spending. There's a ton of products that are all worth a browse, but here's my list everything with a 4-Star or better average rating that is at or matching a an all-time lowest price:
Logitech Wireless Performance Mouse MX for PC and Mac ($49.99)
Logitech Zone Touch Mouse T400 for Windows 8 ($12.99)
Logitech M510 Wireless Mouse ($17.99)
Logitech G700s Rechargeable Gaming Mouse ($64.99)
Logitech G600 MMO Gaming Mouse ($44.99)
Logitech Wireless Combo MK270 with Keyboard and Mouse ($19.99)
Logitech Wireless Illuminated Keyboard K800 ($59.99)
Logitech Surround Sound Speaker System Z906 ($249.99)
Logitech G510s Gaming Keyboard with Game Panel LCD Screen ($87.99)
Logitech G230 Stereo Gaming Headset ($29.99)
And here's everything else.