Favourite battling simulator to use?!

I like Showdown and Online equally to be honest.
PS has a nice and easy to use team builder and ofcourse, the animated sprites and attacks are quite awesome too. I play PS casually, (in other words, when Im not in a serious battling mood) Ranking resets too often because its still in Beta, good fight Competitive ladder battling?

PO is much more customizable and I like the fact that you can download it. I prefer having my internet tabs for different things (no....not that..>.>) Ladder works flawlessly and I find myself playing more competitively on PO. On the other hand, I find PO`s community...less friendly? Yeah, lets just keep it at that....and they run from battles 90% of the time -.-

What can I say, both have their Pros and Cons :L Your personal preference really.

Always have and most likely always will love Pokemon Online. Where I started, where I became better, and where I play Mafia for hours upon end. Pokemon Showdown is must also though for CAP Battling, and all the other glitchy tiers.

Pokémon Online, easily. When I'm bored I open it up, hop on the main server, and kick butt at Trivia.

I use pokemon online, great overall system. Sleek design and great teambuilder.

Pokemon Showdown without a doubt.

The chat feature, avatar selection and animated sprites nailed it for me.