I used the equus gauges the 8000 series i like them they are back lit (selectible colors) and ive left them in my cj5 (no top) on two or three nights when it rained and they showed no damage but the only electric i have is the tach the rest are mechanical and came with like 3-5 adapters for many AN sizes , if your in hudson and would like to take a look at them up close just pm me i have a few i havent put in yet
http://www.iequus.com/products.php?category_id=100_105
you can get a set at
http://www.oreillyauto.com/EW3/IntroShopping.do
Auto meter from summit racing.