Do you happen to have the Cooliris formerly known as PicLens plugin installed? It is known to crash Safari especially on flash based sites. I had the same problem and it messed few of my live shows too but since I removed it things have been working just fine.
They've snook in some plans to keep their expenses secret, they did it when we were all busy with the Heathrow issue, this needs some exposure, they are voting on Thursday! TheyWorkforYou.co.uk has some brilliant info on it, and how to contact your MPs.