Is this system well balanced?

Inferno1217

Distinguished
Jul 16, 2008
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18,810
Antec 1200 Case
1000w Kingwin Lazer PSU
i5 2500k @ 4.5 GHz
ASRock Extreme 3 Gen 3 Motherboard
128 GB Patriot Pyro SSD for OS and Games
2x 1.5 TB Seagate 7200 RPM Hard Drives
1x 3.0TB Seagate External Hard Drive
WinTV 1800 TV Tuner
2x GTX 465 Flashed to GTX 470's in Sli
Logitech MX3200 Wireless Mouse and Keyboard
Logitech G27 Wheel
42" 1080P LG

Is it worth upgrading anything? Maybe a better Keyboard+Mouse combo? Nothing drops below 60 FPS not even BF3 set to Ultra 64p maps. iRacing gets 140-240+fps. Dirt 3 stays well above 100fps

Games played Dirt3, BF3, iRacing and looking at some others.