Hi ladies... I used to be a serious polish wearer until I got too annoyed at my nails chipping/peeling off WITH the nail polish... I live in a very, very dry environment and I know that may contribute to the cracking/chipping/splitting/peeing of my nails. I was wondering if poor nail polish quality could also ruin my nails like that... I've been using drug store brands and I find that many of them don't last very long and chip very quickly. I am thinking of throwing out all of my nail polish and buying brand new bottles soon...I'm thinking of OPI. What are your opinions on the lasting power/durability of OPI polishes? How are the base/top coats? TIA!