How would they post an entry that would've sat in the gap? Reading pages are ordered by system time of posting - backdated entries, I thought, are omitted. In theory they should only appear at the top, I'd think?

If I'm wrong, then I agree with this modification.

As far as eternally-scrolling...please no. Sometimes I am so glad to go back one page and get that one entry that broke my display off the screen! And others I just flat don't want to blow my computer up by having that much all loaded at once.