Hey sdiw, check out http://errormator.com - Since you are starting out I would be more than happy to provide you with one of our better accounts for free (our free tier is enough for most young startups, but i want to give you something better for start).
It will provide you with exception tracking, various performance metrics and log aggregation.
You can email me directly at info@errormator.com, I can help you guys if you will need advice with integration or give pointers how to do some tricks to make most out of our service.