Is this gamig pc system good value at $450 second hand

If everythings working, yes, deffinately

thanks very much for your reply jaydeejohn

The speakers,cpu are nice, the cards ok, but slied, decent enough
Watch you mobo tho, if its been rma'd, well it could have stressed other components, or the psu could have caused it.
Watch those 2 things

i dont have much understanding of computer hardware and jargon,can you please explain what you mean so it is easier for me to understand,i think that pc might suit my tight bugdet for gaming,e.g, call of duty,maybe crysis,just some examples,,i really do appreciate any advice you can offermthanks very much jaydeejohn

First off, Crysis will bring almost any rig to its knees at highest settings, but most everything else should play very nicely
My comments about watching it, is download coretemp,everest home edition.
These 2 tools will help you monitor your temps on your graphics cards and your cpu. Also, everest will give voltage outputs, in case it varies, say for the 12 volt, if it dips too much, itll read it out, and youll know, same with core temp, which will give your cpu temps.
Once you get the rig, and you have questions, feel free to do so here on Toms, just ask in the appropriate forum, or cpu stuff in the cpu section etc
Once youve checked it, and possibly even challenged it, putting it thru high use, while checking temps and voltage, after a short time youll know if theres a problem, or its doing great

now i understand much better thanks jaydee john,i appreciate all your advice,i must say everyone on toms hardware forum has been very helpful,once again,thank you

yw, and good gaming