The EGA Wonder finally arrived from eBay, and WOW, it looks so much better than the IBM CGA or the Sysdyne EGA card I was using. The best mode is certainly the non-interlaced ones. They work, but they have quite a bit of flicker which is fine for a quick screen (like the coretest startup), but I wouldn't want one for extended use. The wonder is a pretty impressive card, it even simulates green or amber color in the mono modes! 132 column looked better than I thought it would on the 5153 and honestly my 5153 seems like a much improved monitor when being driven by this card. I think the font may be slightly different, much cleaner and better looking even in regular 80x25 color mode than either of the other two cards. I'm finally pleased with the video on my 5170.