I haven't heard them all, so I can't make an informed vote. I HAVE heard all of Axis and it is badass. Bold as Love is an excellent song. All tender and moving, then at the end, BAM! Jimi rips. Killer solo.
Also, I always chuckle a little at the drum fills just before the outro, where you can tell all three drum fills are kinda from different pieces of tape or something. They all sound pasted together. But, hey, that's how they did it back then. Still killer.