This week's giveaway is in the EJB and other Java EE Technologies forum. We're giving away four copies of EJB 3 in Action and have Debu Panda, Reza Rahman, Ryan Cuprak, and Michael Remijan on-line! See this thread for details.
You can start with struts 1.x , probably with the latest version 1.3.8 , and get the grip on Servlets/JSP first !!
There is no harm in getting hand on Struts 2 directly .. , though i dont work on it and dont have much knowledge about it . Other poster ll clearly help you regarding whats good and whats bad in both versions!!