Good sources for travel information about Latvia and the Baltic states in English are:
Latvia Tourism (English, Russian, Latvian)
LETA (The Latvian News Agency)">
The Baltic Times
Visit Estonia (English, German, Russian, Finnic, Estonian)
A good source for information about the Baltic in German is:
Baltikum Tourismus Zentrale
We ourselves were just in Riga in November during the coldest and snowiest weekend of the year, resulting in the following photo of the University of Latvia main building:

The University of Latvia
This is a scene looking to the right from the previous photo:

The University of Latvia Scenery
Further right from the University of Latvia and the previous photo is the Latvian national Opera where we saw Prokofiev's ballet of Romeo and Juliet:

The Latvian National Opera