It would be so painful to watch so many years of work burn up:
http://solarsystem.nasa.gov/multimedia/gallery/Phobos-Grunt_...
Oh, and on the rotifer theme, there are rotifers aboard Phobos-Grunt!
http://en.wikipedia.org/wiki/Living_Interplanetary_Flight_Ex...
Not just mere roitfers. The acanthocephala, according to recent genome analysis has shown that they are descended from, and should be considered as, highly modified rotifers. Mutant extremophiles. Roscosmos doesn't fuck around.
No kidding. They are also sending this playa to Mars: http://upload.wikimedia.org/wikipedia/commons/0/08/Waterbear... Waterbear to Mars and back. That's a real space agency for you. I really hope they can salvage this one. As for the fuel, I bet they would rather leave it vague, as they can't do anything about it either way.