If playing makes you sick try standing behind someone and watching them play. I didn't play for a long time because watching bohtered me. Playing doesn't bother me at all.
Play with adjusting colors, some people are more sensitive to some colors.
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A couple of folding boxes;
DFI LP Nf4 U-D, A64X2, 2GB ram, is folding again
MSI P965 Pt, C2D E6300, 2GB ram, old reliable
2.5 million points and counting