Looking for MSX2+

I noticed eBay has a number of V9958 VDP's at good prices if someone wants to do a DIY upgrade.
http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2050601.m570.l1313.TR0.TRC0.H0.X9958+msx.TRS0&_nkw=9958+msx&_sacat=0

I don't know, a few years ago I was quoted US $50 each for 20 units