Akihabara has pivoted from electronics into anime. Most all of the hardcore electronics stores (eg Radio City) are long gone, in their place you have massive emporia catering to otakus, ranging from maid cafes to doujinshi.

The (newish) Yodobashi store at Akiba is still one of my go-tos if I need to pick up gadgetry on trips to Japan, but in these days of easy online ordering of anything I need at rock-bottom prices from China, that's not very often.