I'm doing a small remodel on my kitchen and will be tackling the sink next. I've decided that I would like to install a reverse osmosis water filter under the kitchen counter. I stopped by Home Depot but they only had Brita and GE units at my local store. I found this Water Filter Comparison page thru Google but I don't recognize most of the manufacturers. I'm the only person living in this house and the sink will also feed my fridge's ice maker. It looks like most R.O. units are priced in the $175-250 range and replacement filters seem to average $35-50, depending on the model. Are there any dependable and independent comparison sites? Are there brands that I should stay away from? Thanks for looking!