>>1
All good selectionn.

Flip Flappers is probably top of the season for me, it's refreshing to see visually loaded, ballsy abstract anime, so out of the line from the usual cookiecutter moeblob. Although the main plot thread could use less obscurity in favor of more sophistication, everything else about this anime is so ridiculously good I can't really fault it.

As for my current watchlist:

Little Witch Academia - we expected Harry Potter anime adaption, and we're getting a really good one. The only fault is that the plot is kind of less than original...

Gi(a)rlish Number - Akira Kogami from Lucky Star got her own slice of life anime, and it's awesome exactly as it sounds.

Some older series I started from my backlog:

Sekai Seifuku: Bouryaku no Zvezda - the feel is almost as cute-colorful like that of Flip Flappers, but unfortunately this show is far more childish - no serious attempt at consistent plot to the point it's not marathonable. Yet still, unique enough to prevent me from dropping.

Arakawa Under the Bridge - I've been recommended this as the closest relative of phenomenal Jinrui wa Suitai Shimashita. It lacks the strong female lead, but otherwise the visuals and absurdist writing are a close fit.

>>2,3,4,5
Maybe find/start a thread exclusively for the classics? Most people agree about the first 20 ones or so, but past that it gets rather quarrelsome.