I have a set of JDM WRX STI V8 springs (with about 5,000 miles). The JDM Ver 8 STi springs only drop about 10mm over a stock WRX but are much stiffer, stiffer than the USDM STi springs from what i hear.
Price $80 OBO plus shipping and paypal fees. (SOLD)
Trades: Prodrive Blue springs i add $