We know you've got questions, and if you're brave enough to ask the world for answers, then here's the outlet to do so. This week's Ask Engadget inquiry is from Andrew, who loves his trackball and needs to help find a wireless replacement. If you're looking to ask one of your own, drop us a line at ask [at] engadget [dawt] com.

"I'm a huge fan of trackball mice, and I've been using a Logitech Cordless Optical Trackman since 2002. They can't be popular, because the company no longer makes them, and I haven't been able to source one except at ridiculous prices on eBay. I've even tried the Logitech M570, but I simply can't use it. I've looked at Kensington's offerings, but they are geared towards thumb-ballers rather than index-finger ballers, so what I want to know is: is any company making a wireless trackball mouse that offers the same experience as my beloved Optical Trackman? Thanks!"

Now, if we're honest, we did some digging and we really do feel your pain. In our searches, it looks as if the wireless trackball world has collapsed down to the Kensington Orbit or the M570, which you've already discounted. So, do any of you, out there in the ether, use a suitable trackball from a niche manufacturer? Heck, are you a niche manufacturer looking for an audience? The comments section below is where you need to go.