Some odd (and some interesting) things are coming out of the current Wonderfest convention in Japan...

CM's Corp's next project looks to be Deathsaurus.

Fewture (by Art Storm - who did the recent Roadbuster toys) look to have a number of non-convertible projects coming this year as well, like a large Unicron Head, Alpha Trion, a cut-away Optimus, and well, a number of Optimus figures by the looks of it.

Kotobukiya will be producing a "D-style" (deformed) model kit of Optimus Prime this year.

And in a similar theme to Device Label (working MP3 player, Headphones, USB Hub, Mouse), there looks to be a Megatron toy coming out this year from Japan that transforms into a Sega Mega Drive/Genesis console.
It is unlikely to be a working console, but it is way too obscure to not have some sort of electronics gimmick added.