The base RSX has an MSRP of $19,950, which easily hits $21,478.60 with some options (namely a CD changer and a spoiler).
A loaded Type-S, though? I easily hit $26,546.99 (base is $23,170). A well optioned GS-R was
$25,425 (base MSRP was $22,300). Not too different. Recall that the RSX is designed to be cheap--just like the new Civic (okay, the new Civic is way
worse in corner-cutting budget engineering). While the Type-S is kinda half-way between the Type-R and GS-R for an Integra (though I guess it is
kinda the RSX's GS-R), it isn't unreasonably priced.
I'd still take a 2001 GS-R over a 2002 Type-S, though. Of course, I've never driven a Type-S, so I really can't say that too honestly.