We always reply within 24 hours – there is no point in asking for different 🙂
The recent past exams are in the current format, but not the older ones. Also the ACCA no longer publish the whole exams – just a few sample questions from the previous two exams.
You really must buy a current edition of a Revision Kit from one of the ACCA approved publishers – they contain lots of exam standard question in the current exam format.