The following Venus- or Planetary-related meetings, workshops, seminars, and conferences are worth a look:

24-Jan-2013: Venus Upper Atmosphere Investigations - Science and Technical Interchange Meeting sponsored by the NASA Glenn Research Center and the Ohio Aerospace Institute.
18-Mar-2013: 44th Lunar and Planetary Science Conference (LPSC) The Woodlands, TX USA. A Venus Town Hall Meeting is tentatively scheduled during the conference.
07-Apr-2013: European Geosciences Union General Assembly 2013 in Vienna, Austria
28-May-2013: 2nd Interplanetary CubeSat Workshop (iCubeSat 2013) in Ithaca, NY.
10-Jun-2013: International Venus Workshop in Catania, Sicily. Abstract submission deadline is March 15, 2013
17-Jun-2013: The 10th International Planetary Probe Workshop (IPPW-10) in San Jose, CA USA
19-Nov-2013: 11th Meeting of the Venus Exploration and Analysis Group (VEXAG) in Washington, D.C. area.