Please go to the Android market place and write reviews after your issue has been resolved. We love reading them and they make us proud of the products we develop.
Have you taken a look at our FAQ? It's an invaluable resource and may be quicker than contacting me directly!
For instance, trouble with Go SMS? Or are you having trouble with Handcent?
If the support you received was helpful and you feel like you would like to give something back (besides a 5 star review of course), then the following may be of use to you and nice to for us.