In addition, a lot of the lower-end CGA monitors at the time didn't have real great native resolution (i.e. the 'dot pitch'). They would generally be fine for

In addition, a lot of the lower-end CGA monitors at the time didn't have real great native resolution (i.e. the 'dot pitch'). They would generally be fine for playing games in low res mode, but not that great for doing business work in high res mode. The better CGA monitors had finer dot pitch, but those were usually more expensive.