Microsoft Excel owns that niche. If you're going to aim for the same niche, it'll likely involve a web service for creating RFQs and also for building up a dat

Microsoft Excel owns that niche. If you're going to aim for the same niche, it'll likely involve a web service for creating RFQs and also for building up a database of both the requests as well as building up the feature loci of the various queries; you'll need to differentiate your service from the aforementioned Excel and from Google Docs and various of the testing services. Acquiring and then maintaining sufficient feature data (whether via web services or scraping) is probably going to be the tough part. Look around for folks already dealing in electronic purchase, e-procurment, and particularly at SAP.