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.
It will provide you with exception tracking, various performance metrics and log aggregation.