Installed this through the App store, no problems, had to re-do TRIM and Sound BUT as an added bonus my third monitor now works when plugged into my GTX 660TI.... Woot! I could not get the third monitor to work before under 10.8.2.
My Build (15435 - 64bit Geek Bench):
Intel Core I-7 3770K 3.5 GHZ http://www.newegg.com/Product/Product.aspx?Item=N82E16819116501
Gigabyte GA-Z77X-UD5h http://www.newegg.com/Product/Product.aspx?Item=N82E16813128545
SSD: ADATA Premier Pro 256GB SATA III http://www.newegg.com/Product/Product.aspx?Item=N82E16820211603
32 GB (4x8) GSkill RipJaw X-Series DDR3 1600 Ram http://www.newegg.com/Product/Product.aspx?Item=N82E16820231569
NVIDIA Super Clocked GTX 660TI 2GB DDR-5 http://www.newegg.com/Product/Product.aspx?Item=N82E16814130810
Power Supply: 750 Watt Antec TruePower http://www.newegg.com/Product/Product.aspx?Item=N82E16817371025
Three (3) 24 inch Monitors: LG EB2442T http://www.newegg.com/Product/Product.aspx?Item=N82E16824005344
Four (4) 2TB HDD, set up as two 2TB RAID Mirrors
One (1) Eternal USB HDD for Time Machine