According to The Inflation Calculator, $3500 in 1991 was $5444 in 2009. Doesn't go to 2010 for some reason, so let's call it a round $5500.

Ouch! ... is that ... my wallet ... bleeding...?

One of the things the younger members of this forum might not appreciate is how expensive Macs, Mac accessories, & Mac software all were back in the 80s and early- to mid-90s. It started to improve after maybe 1997. Today you pay a premium; then you absolutely clobbered. And that, children, is why Apple deserved to just about go out of business.