We're working on all of these issues. Initial load has a lot to do with network location and we need more servers. The after-the-fact thing is by design so that

We're working on all of these issues. Initial load has a lot to do with network location and we need more servers. The after-the-fact thing is by design so that some slower elements don't slow down the faster ones. We have a new design coming out that should lower the perception of things changing much though.