Surprise, my waters don't usually go but I have had a show once.
Juwesm, Re: She who shall not be named, I tried this, it's a bit too Nazi for me personally. I found all of my kids settled into a pattern eventually by about 6-9 months anyway. The blackout blind tip is clever though. I will probably buy a travel one from the NCT shop for this summer.
Re: slings, I have forgotten how to use mine, but it's a Baby Bjorn. Plus we have a special backpack for hiking with them in.