The view past Roppongi 六本木 and Akasaka 赤坂 with the skyscraper district of Shinjuku 新宿 in the distance, where the north and south towers of the Tokyo Metropolitan Government Building 東京都庁舎 are visible. Incidentally, they're another great spot to view the city from, and entry there is free.
While parts of the city can be hectic, the skyline's slowly pulsing red lights seem to slow things down, if you think to watch them.
Looking to the south east with Shibuya 渋谷 rightmost, Cerulean Tower セルリアンタワー above the rest.
Up the road and into Tokyo Tower 東京タワー to check the view from the main deck at 150 metres. The tower's central location amongst the city's buildings makes the view an impressive one, even without a visit to the top deck at 250 metres.
In the far field on the right, Tokyo Skytree 東京スカイツリ stands 634 metres tall, roughly twice the height of Tokyo Tower 東京タワー.