Tough choice. Fisher, Scott, Lafayette are all great. Personally, I like Pilot 245B. However, the Pilots are usually hard to find and ugly compared to a nice Fisher. Check out mapleshade.com They do restorations on some of these that will make you think very hard...
Best tubes by far Telefunken 7189 followed by Mullard EL84
Best tubes by far Telefunken 7189 followed by Mullard EL84