How many of you guys are running these converters? What are your opinions on their quality? I currently run a Fairbanks 3500, and wanting to upgrade to a 4500-5000 once I finish my 408 project. I have run this fairbanks for at least 12 years (well it has been in the car that long) and it has never gave any problems, or been refreshed. From what I understand they no longer exist, but either way, it was very expensive when it was purchased. *******'s stuff looks reasonable, but i don't want to fall into the "you get what you pay for" line either. Any input would be great!