I know the prices for these range from about $1,500 to $3,600... but I'm not asking to compare the units based on price... Which is the best all around pre for vocals, acoustic and/or bass guitar? The Hardy M1 would be with the optional output transformer installed. I've read up on everything I can find but want to hear from actual experience... please. I'm asking those of you who have a thought or opinion based on experience with one or all of these. Thanks.