Actually 1-10 is the easy part, the time consuming part is 10-15 before the first dungeon.

I've got all classes to 15 before on my alt and 1-10 is always easily taken care of via the hunting log and the FATE that spawns nearby. 10-15 is when you start to feel the grind at odd hours of the day when FATEs spawn slowly and there's little people.

But since it's so low level, just picking on a mob and grinding them is good supplement to experience. Personally I think 1-15 is not perfect, but not broken either.

After that I queue dungeons and gather/craft so I wouldn't know how FATE grinders feel afterwards.