I see no reason for you to change CPU and motherboard if you are just starting out. The game is not optimized and there are varying degrees of performance on similar hardware levels.
As long as your power supply is capable, I would get a decent video card around the $125-150 range for now. The video card can be decent enough to carry onto a new system if needed. Focus on getting rid of the wireless peripherals. Any keyboard that has anti-ghosting/nkey rollover will be fine for now but a good mouse and mousepad are vital. Onboard sound honestly is fine as long as you set everything up for stereo and use a decent stereo headphone solution.
Thanks for your thoughts! This sounds like a pretty good idea, actually. I like the idea of purchasing just a mouse, mouse pad, video card and maybe a keyboard and see how the game plays first. I can always upgrade and buy more parts later if needed. This would also allow me to get up and running and playing quicker.
Here is the power supply I have, should this work?
http://www.newegg.com/Product/Product.a ... 6817182072
I will post again later with potential video cards and peripherals before I buy them.
Also, what kind of ping do most players have on your public servers? I pinged your server from my home computer and mostly got results from 53-63 ms. Do you think that is adequate to play competitively?
One more thing I just remembered... I have a $300 pair of BOSE QuietComfort 15 noise cancelling headphones. I use them to listen to music but I also can use them while flying because I have a special aviation microphone adapter that plugs into them. Is there a microphone adapter that I could purchase to plug into these headphones to use while playing CS?