color correction

[Crucio]

Im basically trying to make my vhs-dvd captures the best i can. So i was wondering if these would help : http://www.signvideo.com/single_dual_proc-amp_video-processor.htm
http://www.signvideo.com/edit_video_equipment_menu.htm
http://www.signvideo.com/dr1000_image-enhancer_video-processor.htm
http://www.signvideo.com/cr100_color-registration-corrector_video-processor.htm

Or am i better off using virtual dub filters for color and stuff? thankyou