Even though there wasn't much news from me latley, I am still alive. :) I have changed the route in the meanwhile, because I wasn't ready for either waiting endlessly for the russian visa or flying to stockholm to organise a visa. Therefore I changed the router a bit to the south and landed in the Ukraine instead of Russia. Since...
The Bus to Talinn was great, On the seat in front of me was a signpost which told me that we have WiFi in the bus, in fact two WiFi Aps are on Board, on for Estonia and one for Latvia. It was abit slow with my "iPod touch" but it really was possible to browse some websites, thats why...
As already told you, I crossed the border to Latvija Safely despite the not so Schengen like border control. The bus drove to the central bus station. I directly identified the huge hall behind it as the train station, but I was completely wrong about that...