Hi Greg,
I’m sorry you are experiencing performance issues. Let me try to help you with that.
Could you please let us know how many events and posts do you currently have in your site? Do you experience a significant slow down in performance in any particular page? If so, could you please share a link to those pages so we can take a look?
I’d recommend you take a look at our article on Performance Considerations. After that, if you decide to implement a caching system then you can move to these articles: Caching: What, when and how and Caching month view HTML in transients
Finally, there is a good article George put up here that groups a set of developer plugins. It’s a bit more technical than the others but will definitely be of help if you are into development.
Let us know how that goes.
Thanks,
Brendan