Software details are still limited, but the 611 will have an on device ebookstore, RSS reader, and a web browser. It will also have the same broad format support of PocketBook's other ebook readers, including support for Adobe DE DRM, PDF, Epub, FB2, TXT, DJVU, RTF, HTML, CHM, DOC, DOCX, TCR, and FB2.
I really don't have much info on this ereader; it hasn't been formally announced anywhere that I can find and the product page doesn't work well with Google translate. It's projected to launch in Russia this month, but I've also heard that it won't be available until next year. Retail is estimated to be around $14o.
I'm not sure what took them so long, but it's good to finally see Pocketbook offer a 6" ebook reader in the same price range as Nook, Kindle, and Sony. I think they were missing out on the market, given that the 602 is priced at $219 here in the US.