I'm sorry CK & AK - I've tried replicating CK's account options and fault and it just works fine for me (as you can see from the WT-Frank post).
I wouldnt of thought this was really related to the cookie issue, but I dont know that much about them either - and I'm afraid my brain is still fried from a 2am session at the PC last night!
I'll have to pass this on to Eamonn & Mark since they are the real Guru's.
No-one else has flagged this kind of problem recently that I'm aware of
