I still worry about that but I feel I have to realize that's
my issue. I have felt nervous at times about specific things but try to look at ways where my kids are doing well. My daughter took her time with reading too and had friends who were reading chapter books when she was struggling with board books (in fact she's still behind those friends) but at the same time my daughter is a fantastic story teller. Who knows if she would have developed that skill if she'd been reading earlier?
I know what you mean about when some homeschoolers compare notes.

It's the same darn attitude I wanted to avoid by not sending my kids to school. Oh well! Suggestions might be to find another community that will balance out those voices. There are lots of email lists for unschoolers and more relaxed methods. You could also do some reading related to child led learning so you're more comfortable with her pace and you have solid thoughts in your mind to refute the competitive sillyness that goes on. Try some books by John Holt,
www.lifelearningmagazine.com (free pdf downloads of past issues!) and
www.sandradodd.com. Even if you're not interested in unschooling there's still a lot of value in the ideas behind it.
For your daughter, maybe let up on the reading? It sounds counter intuitive but I find it's when I let up and give the kids space in some area that they make their leaps. Replace reading lessons with lots of reading to her? Myths, legends, wildlife guides, websites, recipes and whatever she likes.Also, a website that my daughter enjoyed and really helped was
www.starfall.com. It has
lots of phonics practice.
It may just be that she's not ready to read yet. Maybe there's some developmental piece that hasn't fallen into place yet related to how she hears sounds or put concepts together. Really, we expect kids to read
very early these days. I've also read suggestions that kids, left to learn to read on their own will read several years later then their schooled peers (personally I think they have better things to do

). The catch however is they learn very quickly, often surpass their peers and have a real sense of the value of reading.
I have no idea if this helps but I tend to just throw out stuff and if it helps, fine. If it seems unworkable, no problem.
