Good lad . It really isn't as hard as you might think. I mean, I could give you a brief rundown now:

1. Open all your new hardware and oggle in amazement at how uber and new and shiny it is.
2. Grab the motherboard (only touch the PCB) place it on somewhere that wont have any static (like the box it came on or on the anti-static plastic thing).
3. Insert the CPU (cant get it the wrong way round), and secure. Put a bit of thermal paste (dont forget to buy some Arctic Silver stuff), a small dot of the stuff, and then put on the heatsink (consult instructions, can be a bit tricky).
4. Push in RAM sticks, if you got 2x2Gb, put them in the same coloured slots.
5. Push in GFX card.
6. Grab case and take side off. Take out any packaging.
7. Put in the PSU, should fit nice and snug.
8. Put in any optical disks and hard drives (at the front, very easy).
9. Place the motherboard on the screw holes (might have to screw in the stand-on things), and screw it on where the holes fit.
10. Screw the GFX card onto the case (take the cover off first).
11. Consult the motherboard manual to see where all the power switches and LEDs plug into. Also plug in the massive power cable into the motherboard, along with another small one, and a 6-pin into your GFX card.
12. Connect your HDD and Optical drives to the motherboard.
13. Connect PSU to HDDs and optical drives.
14. Put side of case back on, plug the PSU into the wall, monitor into the GFX card, and inputs into the motherboard.
15. Turn it on and hope it works!

Couldn't be any simpler!

Disclaimer: Phantom takes no responsibility for any hardware faults and explosions causing harm to the user or hardware that occur through following this guide. This guide is not meant to be used, please refer to something that wasn't typed up in 2 minutes.