For what you already own, just get rid of those things that you say you will iron or have dry-cleaned... you know you never will if this is a goal of yours. And once it is gone, you'll only have things in your wardrobe you can look at and just put on! How relaxing!
I do recognize the need for a fine suit for men and perhaps that perfect little black dress for women - both of which may require dry-cleaning, but this is an everyday lifestyle change I am referring to. This is something my husband and I have already taken to it's extreme. My husband's pants and shirts are all iron-free, so hanging after washing is all it takes. As for me, I have gotten rid of my crinkly iron shirts and my own little black dress is actually washable in the machine!
Bonus - the chemicals used in dry-cleaning and electricity used in ironing are eliminated - eco-friendy too?... Check!