A lot of the controversy has died down quite a bit. Here's the SDGE power line website to get all the latest updates and community news. http://www.sdge.com/sunrisepowerlink/index.shtml.
Right now, nothing is set in stone so can't really say how property areas will be affected. I do know that I had a client who went into esrow on a property. I found out the proposed line was supposed to be 60 feet from her backyard line. She cancelled escrow and bought another home not so close to the proposed area.