If it were up to me I'd use CF cards, they are more standard, faster in some cases, and come in larger sizes. CF is actually ATA based, so adapters from CF to IDE cost next to nothing. you cna even get them made up to fit straight to a laptop 44-pin (female) IDE header.

That dohicky will likely work but you'll need to somehow adapt it from 40-pin to 44-pin IDE. that'd cost almost as much as buying a CF->IDE adapter.