Here some pictures taken from the Ukrainian website :
Not as classy as the brushed aluminum of the 505, but with its integrated hard cover it's seems by far the more pocketable of the new 5" devices.
About the software, I liked what I saw in the video, the interface seems very nice and the default fonts and margins were looking nice too. And there is a dictionary.
Generally small company don't have enough resources to debug and polish theirs firmwares, I hope this will not be the case here.
It they sell it in the US not much over the price of the PRS-300, like $239 or less, I would seriously consider it.