I think the preferences are a bit easier to understand, and I didn't have to install an add-on for an add-on to have mouse wheel support. I'm sure there's more,

I think the preferences are a bit easier to understand, and I didn't have to install an add-on for an add-on to have mouse wheel support. I'm sure there's more, but it's been a few months and I don't quite remember. TST remains great, though, very versatile and extensible.