Reports are that Russia has invaded Georgia proper and taken the town of Gori, a town near the South Ossetian border and near Tskhinvali. Russia denies everything in green below. The half-circle represents former Rusisan presence. I'm leaving 7 in blue below, because even though Russia is denying it, it is a firsthand report.
REPORT 1: Bloomberg: Russian Troops Launch Ground Offensive in Georgia (Update3)
REPORT 2: VOA: Russia Confirms They Were in Senaki
REPORT 3: FOX News: broadcast reports Russians in Poti
REPORT 4: Bloomberg: Russian Troops in Senaki Came From Abkhazia
REPORT 5: IHT: Abkhazia Takes Kodori Gorge (only part of Abkhazia in Georgian control)
REPORT 6: Guardian UK: Medvedev Ends Russian Participation, Allegation of Continued Fighting in Gori
REPORT 7: CNN: Broadcast reports Russian troops heading from Gori towards Tblisi. Have pulled off road. 8:20 AM Wednesday. Russia has officially denied it.
REPORT 8: Russia Today: Broadcast Abkhazians have completely ejected Georgia from Abkhazia.
REPORT 9: CNN Broadcast: Russians have left Gori-Tblisi road and moved to southeastern S. Ossetia
This is an annoying, flashing map of all sites in Georgia targeted by Russia.