I have a brz 1700 and i like it my electrical is just an extra battery (not even a big battery), i dont even have big three and my lights does not dim, running off Skar 2vvx 15, spend less than $200 brand new, to me it was worth every penny, if i upgrade most likely to the brz 2400 or aq 2200 or i might even try the apsm 2000
with the brz line if you need 1k power get the 1200, if you need 1500 get the 1700 if you need 2k get the 2400, you get my drift? price will still be competitive