I'm looking to run Poser 8 and PhotoShop 7 and some other intense graphics design/creation programs.
I'm looking into buying a new computer, however going through all the options, I'm not entirely sure which is best for what I do as far as processors go: A Quad or a Duo?
I have also noticed that gaming computers tend to have a more drool-worthy lineup when it comes to system specs, a relative of mine who is into this stuff pretty deep swears by workstations, which do tend to have better video cards.
For Photoshop / GIMP etc, you don't really use the graphics horsepower as it is all CPU and RAM dependant. Only if you are working with CAD do you need a huge graphics card and then you would be a lot better going with the professional GPUs rather than the consumer versions (which will underperform in CAD applications by design).
Personally I'd go for a professional workstation with a grown-up warranty if this is your money-earning activity. Reliability and peace of mind are more important then bling at work! I can't remember how many photoshop plugins etc are true multi-core capable, but I'd always recommend quad over duo in that situation as whatever software you are using now will more than likely be upgraded over the course of the hardware's lifespan to use multi-cores efficiently.
A dual core just wont cut it here my friend. A quad is in demand for what you want to work with. Photoshop now comes with grafix card acceleration. (although I dont know about photoshop 7) Get the quad!!!! I still use a S775 Q9550 for a workstation at work and it still beats down on the work load. A bad boy epensive workstation is not a must. But I do suggest a 5870 at least for your grafix needs, for multiple reasons.