That's nothing, a few pitted rollers in the bearing. hahaha....
Here's mine after it went first time:-
I had no indication that there was anything wrong other than, in the 24 hours before it died I had a strange kind of surge when I set off from a standing start. it was asif the car hadn't quite decided if it wanted to be in gear or not, it set off a little slower than normal, then seemed to 'bed' in and pull properly. (it did this about 4 times, the rest of the time everything was 100% normal)
Then about 50 miles of dual carriageway before it failed it made a god awful noise for about 5 seconds, then everything went back to normal.
Just before it died it jumped out of 6th at about 60-70mph and the whole thing started making some horrific noises.
I have read lots of stuff online about these M32 boxes and apparently Vauxhall now use the improved bearings as standard, but this is a recent change. I don't know if anyone else does, but I'm pretty sure the change has been made since Alfa stopped using them so if you have a 1.9 JTDm you are at risk.
(that's if you trust everything you read on the internet, I have no other experience than my own)
If I had my time again I would have spent a bit more and bought a 2.4 in the first place, as it is I've spent a fortune on my 1.9 but nt yet had it remapped to bring it anywhere near 2.4 power.