Sort subs by unread

[polvo]

Sorry if this feature already exists but I couldn't find it anywhere. I can't get my subscriptions to sort in any other fashion than date of subscription. I would like feeds to rearrange according to number of unread (or date of newest update per feed) so that they are at the top. I've got a lot of subscriptions and this would save the inconvenience of scrolling down (oh, woe is me!) and also give a better sense of active feeds.

Love your product otherwise.

Thanks!