Speaking of WB4's...

Here's one in Florida.

Pricy, but compnine says it's the real deal, 1 of 866 WB4s, 1 of 265 with Chestnut accent stripe.

Tow pack car, no limited-slip.

http://www.autotrader.com/fyc/vdp.jsp?ct=u&car_id=274811042&dealer_id=83973&car_year=1994&rdm=1269397990053&lastStartYear=1981&model=BUICKROAD&num_records=25&systime=&make2=&highlightFirstMakeModel=&start_year=1992&keywordsfyc=&keywordsrep=&engine=&certified=&body_code=0&fuel=&awsp=false&search_type=both&distance=500&marketZipError=false&search_lang=en&showZipError=y&make=BUICK&keywords_display=&color=&page_location=findacar%3A%3Aispsearchform&min_price=&drive=&default_sort=priceDESC&seller_type=b&max_mileage=&style_flag=1&sort_type=priceDESC&address=35950&advanced=&end_year=2011&doors=&transmission=&max_price=5000&cardist=482&standard=false&captcha=success

Pics are all washed out. Ask to see better pics of the underside. Kinda pricey for what it is.