Need an opinion regarding this desktop

Hello,
My name is Jon and I am trying to built desktop computer for my business,
The PC is going to be used primarily for data and i take alot of images and store them in the computer.another important aspect would be that the pc be able to handle multi tasking since I have more than one window open and I work on separate one semantically. I research a lot, I came with the following hardware I would like your opinion as well as your suggestion. For the this PC, I am looking to built a PC with Intel chip : Intel Core i5-2500K Sandy Bridge 3.3GHz (3.7GHz Turbo Boost) 4 x 256KB L2 Cache 6MB L3 Cache LGA 1155 95W Quad-Core Desktop Processor BX80623I52500K, with either 8gig or 16gig? The memory ram I was going use CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model CMZ8GX3M2A1600C9B, but after reading your recommendation regarding memory I like to choose Crucial?!, regarding power supply Some good brands to look for are: PC Power and Cooling, Enermax, Antec, and Tagan but I couldn’t fined which would be a good choice for me? The motherboard I found ASUS P8P67 PRO (REV 3.0) LGA 1155 Intel P67 SATA 6Gb/s USB 3.0 ATX Intel Motherboard. As for video card I like to have at least 1 gigabyte of video card I have found EVGA 012-P3-1472-AR GeForce GTX 470 (Fermi) Super Clocked 1280MB 320-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card but Would appreciate a suggestion from you. Finally I found this tower Antec Nine Hundred Two Black Steel ATX Mid Tower Computer Case? Hard drive Western Digital Caviar Black WD1001FALS 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive. For the dvd and cd drive I am not to concern about Sony will do just fine.

You don't need 16gb of RAM for that kinda workload, 4 or 8 would be fine

I like the i5 though, good choice

For a PSU I would look for something around the 6-7 hundred watt variety

470 are old cards. I would look into a GTX 560 Ti or a AMD 6950.

For a case I would say a Fractal Design R3, The NZXT Phantom or the Silverstone RV02.

I would also throw in an SSD and call it a day.

That machine would rip.

Good luck and post pics up.

If that's what you want get it, but you didn't mention anything that requires that much power. You never mentioned games at all, yet are getting a gaming graphics card. You could get an H67 motherboard if that's the case. The onboard graphics of Sandybridge is more than good enough. Then put that money toward an SSD. If you're looking for a power supply, I'd suggest a Corsair TX. You can't go wrong there. As he said, memory overkill. You don't really need more than 4 unless you're gaming, photo or movie editing.

16gb of RAM is needed for 1000 tabs of porn in "insert fav browswer here"!

If he is using Photoshop or any Adobe products from CS4 and on, a nice nvidia based video card can help. I know for sure that Photoshop and After Effects will use CUDA if its availble to speed up rendering.

I would go with Core i5 2500k and H67 board. This simple build offers great performance for this kind of spend and outdoes a lot of more costly systems in the 1156 builds.