im going to take the rocker cover off tonight and have a look to see if i can see anything in there to surgest that the head gasket has gone *poof* ill take pics tonight and post them *WATCH THIS SPACE*
The only thing you might see is mayonaise, but you'll see this equally well on the filler cap or -- much more decisive -- on the dipstick. Save yourself the effort.
Get the car up on ramps or axle stands and do as I say!