I'd buy them but am worried I'd get audited
IRS Betas
Amazing There are 5 INFINITY IRS BETAS for sale on ebay The prices are high
http://www.ebay.com/sch/i.html?_from=R40&_trksid=p2047675.m570.l1312.R1.TR0.TRC0.A0.H0.Xirs+betas.TRS1&_nkw=irs+betas&_sacat=0
http://www.ebay.com/sch/i.html?_from=R40&_trksid=p2047675.m570.l1312.R1.TR0.TRC0.A0.H0.Xirs+betas.TRS1&_nkw=irs+betas&_sacat=0