i was looking to buy a 200 amp alt from one of the following companies: mean-green, dominick irragi or excessiveamperage. all of there alts. are 200 amps and 100 amps at an idle. excessiveamperage is the cheapest the next closet is dom's which is $50 more and mean-green which is $35 more than dom's. excessiveamperage has a 90 day warranty dom has a 1 year warranty and mean-green has a 2 year warranty. so i'm trying to decide which one to go with. any suggestions from people who have used any of these?