In case other people want to know about where I got the 10 days from: I let someone from MtGox support have a look at my previous version, and got some clarifications and updates. The reduction from 20 to 10 days happened very recently.
Hmm.. 20days would match to my experience, 10 days not.
I agree. 10 days doesn't seem correct. My last SEPA withdrawal was send 2 weeks ago. All other are still waiting as "confirmed". All are smaller than 1000eur.