On what computer operating system is your Premiere Elements 10 running? Does that computer use a NVIDIA GeForce video card/graphics card? If not, then please read on.
Project preset should match the properties of the source media...1080 60i
Full HD 1080i30
60i typically represents 60 fields per second which is the counterpart for 29.97 interlaced frames per second.
Any questions or need clarification, please ask.