If you look at the other threads in this forum I think you will answer your question. Go ahead and apply for BOTH if you can. With PNP first you need to get the province certificate, once you get it it's up to you to decide if you want to continue with the process (by sending it to CIC) or not to use it. Based on how far your CEC application has gotten, you can decide how to proceed. But don't expect CEC to be done in 6 months...that's what I thought too when I applied...almost 12 months and counting...