It should be noted that Paul Pedriana, the original developer of EASTL and many other things, just recently passed away unexpectedly. He was an EA programming legend.
To give people a bit of perspective, the Macintosh IIfx was released in 1990 for US$8,969 which in inflation-adjusted dollars is ~$17,500 today. The PowerMacintosh 8100 released in 1994 for ~$4,250 which in today's prices is ~$7,300. The original 128kb Macintosh would be ~$6,100 in today's dollars. Those are all the bottom-end models. By contrast, a Chevy S-10 pickup truck was about $7,000 in 1990 (if my googling was accurate).