This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
Why you want to clear two eams for single certification. Go for SCJP1.5 directly. Or another way is to appear for SCJP1.4 and then go for upgraded exam for SCJP1.5 but i think that is totally bad option. So best option is to for SCJP1.5 directly.