Microsoft Wireless Laser Desktop 6000 v3 — as the name suggests, the keyboard and mouse both use wireless 2.4GHz for connectivity. Having just played with the Microsoft Wireless Entertainment Desktop 7000 for a couple days which uses Bluetooth for connectivity. The keyboard and mouse uses the common Microsoft IntelliType and IntelliPoint drivers respectively. It allows you to customize all of the non-standard keys on the keyboard and every button on the mouse as well as check the health of the battery (which always appears green).
At a retail of US$99.95 (and $78.63 on Amazon), this is not a desktop set you’d buy for your average beige box. If you don’t like wires but is concerned about performance and range, then I’d recommend you avoid Bluetooth for the time being. The Wireless Laser Desktop 6000 v3 is a stylish and functional desktop set with plenty of useful features. If you already have a v2 it’s probably not worth upgrading to but if you’re in the market for a new work or gaming desktop set without the premium tax then definitely have a look at this.