This week's book giveaways are in the Refactoring and Agile forums. We're giving away four copies each of Re-engineering Legacy Software and Docker in Action and have the authors on-line! See this thread and this one for details.
Sun does not generally place version requirements on the prerequisites - as long as you have a valid SCJP certification, you can take the SCMAD. So yes, you can take 1.4 and then move on to the SCMAD if you so choose.
Theodore Jonathan Casser
SCJP/SCSNI/SCBCD/SCWCD/SCDJWS/SCMAD/SCEA/MCTS/MCPD... and so many more letters than you can shake a stick at!