TextHog. Really simple online expense tracking.
This may be useful...

via texthog.com
Simple real-time expense tracking via text, email & twitter
* Send transactions via Text (SMS) and Email
* Tags & Categories help organize transactions
* Export Data to Quickbooks, Excel, and Quicken
* View trends and generate spending reports
* Budgets and Reminders to Stay on Track
* Track expenses among large and small groups
Check it out: texthog.com

