So i had alot of defects and problems with my new mbp that i got last week. 1. Battery/HD cover loose 2. Fan clicking noise 3. Battery didnt last long at all 4. Headphone jack noise its a 2.4 with 4gb ram and 250gb@7200 hd So now im waiting to get my replacement mbp, i sent this defective one back today and got a new order made. they gave it overnight shipping. anyone here that have my problems call apple and replace yours too.