Plus if you're really keen to approve expense receipts in real time then the Oracle/Blackberry combo works fine.

Funnily enough the least painful expense report I've ever had to send simply involved filling in a spreadsheet, which lacked the abundance of compulsory fields that software designed for proper expense auditing seems to have.

The automated bank account monitoring sounds like the biggest potential timesaver, but it also sounds like something I really don't want to grant to my employer.