Choosing an iron is almost as "personal" as choosing a machine. And it does come up regularly in every forum. All I can add is that I have a Rowenta that I use dry. I love it and it works well for me.
My only comment on the Oliso iron is that you will get used to just leaving it down and if you use someone else's iron, say at their house, you can start a small fire and completely ruin their ironing board cover. A friend who was sewing at MY house did that because she has an Oliso and I don't. Thank goodness I walked in the sewing room at the right moment or there could have been a major catastrophe. She is not allowed to iron at my house again. She can visit and sew but she can not iron. lol