Got my replacement from Amazon $46 with free shipping. Here is the link (double check this is the correct filter as I ordered mine about 2 years ago)
If I remember correctly, the Fram is actually an OEM Powercore filter..
http://www.amazon.com/FRAM-CA9900-Sp...7543905&sr=8-5
JUST realized this was a VERY old thread that was just bumped up......