Being able to tell Current how to treat a feed is great, but accessing that feature is a bit awkward right now. For example, if I hit a post for a feed that should be marked as a webcomic, I have to go to settings, search for the feed, tap it, and then edit it.
My first instinct was to long-press on the post in the sidebar and edit the feed from there. (ReadKit works this way, where a long press includes a “Manage Subscription…” option.) This would let me quickly update the settings for a post as I see it, which would make me more likely to tune Current as I use it.