i had a problem last year where i would be driving on the highway and suddenly lose everything (except brakes thankfully).
turned out to be a bad 02 sensor.
now i have a new problem (im at 85k on my 05) where my car still have trouble starting the first time. when i try a second time, it starts no problem. also the speedo will randomally drop to 0 (but no lose of throttle). that is very intermittent.