Blogger seems to be having issues with handling replies to posts. Not sure when this started, seems to be a common issue for many blogs this day. If you've posted a reply to something in the last 24 hours or so, it may not appear, even if I have "okayed" it.
So don't take it as me ignoring you. It's just Blogger (but hey, the damned thing is free, so what do you expect?).