I recently bought an IOGear GKM571R mini keyboard. Copied and pasted from my Amazon review:
I really like this keyboard for HTPC use. I also have the Lenovo N5901 multimedia remote/keyboard, and while the IOGear GKM571 is quite a bit more expensive, it’s also much better.
Things that I like:
- It’s backlit. This is the single biggest flaw in the Lenovo N5901.
- It has a scroll wheel. Scrolling without one is a chore because it’s not easy to accurately grab and move a scrollbar thumb with a mini-trackball, and it’s not easy to press arrow keys on a small keyboard by touch alone.
- It uses standard batteries. Li-ion batteries have a higher charge density, but like all batteries, they eventually wear out, and replacing them is usually a pain. I much prefer replaceable, standard batteries (especially low-self-discharge NiMH ones).
- It’s the right size. It’s larger than the Lenovo N5901, but it’s still compact. The larger size allows it to have more spacing between the keys, so it’s easier to type without accidentally pressing adjacent keys.
- It has a full set of keys, including F1-F12.
- Its power switch is intuitive. It turns on when you open the lid and off when you close it.
- It’s easy to set up (at least on Windows). It was instantly recognized when I plugged it in, and no configuration was necessary.
Things that I don’t like:
- It occasionally drops out. This might be because I plugged the RF dongle into a rear USB port, but I didn’t encounter any such issues with the Lenovo one.
- The keys are mushy. Unlike with the Lenovo one, there is no distinctive click when the key registers.
- There are no dedicated arrow keys or escape key. They require using the Fn modifier key.
- I’m not sure how I’ll clean the trackball if it gets gummed up.
- The scroll wheel can’t be pressed, so there’s no native middle-click.
- I wish it used Bluetooth instead of requiring its own RF dongle. Oh well. The RF dongle is unobtrusive, at least, and RF contributes to the ease of setup.
- I’ve occasionally had a little bit of trouble reading some of the keys when lit. Maybe it’d be better if IOGear used a green or red backlight instead of blue; humans have poor visual acuity for blue.
Things that I’m (mostly) neutral about:
- The Lenovo N5901 trackball can be used with one hand (although dragging requires two hands and then becomes awkward) whereas the IOGear one is designed for two-handed use. I prefer the two-handed design though; if I’m going to type anything, I need two hands anyway.