hey guys,I'm coming to the experts because I'm not sure what i need. i want to set a video cam and web feed up on my PC,but i dint know what is the best route. i want a good,clean live picture,WITHOUT that jerky stuff happening. can someone please tell me what it is I'm going to need to buy. i have a pretty good PC (alienware for gaming),AMD 3500+,nvidia 7800GTX pcie,and a gig of ram. it works great for gaming,but I'm entering a whole new world here. any help at all would be greatly appreciated. THANX IN ADVANCE