Many GM FWD engines have a provision where you can tip them forward to get to the spark plugs. Check my Yahoo blog for some posts that explain how (2nd or 3rd page back) Click the magnifying glass, and then save to your computer, and then view through Windows Picture and Fax Viewer;
Not sure if it works on this particular car, but it's worth a shot.
Taking the Coil Pak off will help too, if it's where I think it is.
A wobble Drive extension helps a lot, especially on the front one.