SGX 540 is a VERY POWERFUL GPU.

It just needs the right settings (kernel, driver, and overclocking). For instance the first 540's gave a performance that wasn't much greater than the 535's but the latest is close to Mali-400 performance.

I also prefer (trust) OMAP SoC's but Samsung's in-house units have proven to be just as good!

Btw, I prefer the curved display, its a small detail but it really is genious addition to the experience though some (a small *cough* minority) dont like them.
The 720p screen is dense enough that you hardly notice the Pentile layer (using the SGNOTE), though a SAMOLED+ with qHD resolution yields the same result.
The 4.6in size is perfect much better than 4.2in, but I prefer the 5.3in NOTE since my hands are LARRRRRGE!