Imo Polercoaster looks like a cheap excuse for the tallest coaster. Even though it looks awesome, I don't like the idea.

LPS should get one of those however.

But what record holder in recent years actually did something good with its height and speed...Last one I can think of is Millennium Force.

At least this one actually goes on for a bit and does some crazy manouvers, rather than just dropping into a brake run and finished in 10 seconds.

That's a true statement. I watched the POV multiple times and I'm fine with the idea.

How many inversions are on the coaster? It looks like there are 7.

Yep. From TPR's interview with Michael Kitchen:

• 7 inversions
• Well over 500 ft tall
• World's tallest inversion near the top of the tower
• 123-degree drop (world's steepest)
• 2 beyond vertical drops
• More than 4 minutes from board to unload (1.5 mins on the lift hill)

https://www.youtube.com/watch?v=RiwJuaGaS_w

While everyone is talking about the tallest roller coaster in the world, I have to metion thishttp://myfox8.com/2014/11/21/this-record-breaking-waterslide-has-a-vertical-loop-and-is-pure-insanity/ Kinda reminds me the old days of Action Park..