I've noticed that the site has been getting a bit slow lately; sometimes it takes a few seconds for the top page to come up. The software makes extensive use of a database engine and when there are a few things going on simultaneously it can slow things down. I'm actually on a shared server at the moment running inside a virtual machine. My hosting is up for renewal quite soon and my ISP has an upgrade path to a dedicated server so I will be looking at the pricing for that to decide if I can manage it. I'm also looking at whether I can do any optimisations to speed things up.