Heatware is pretty good for feedback, if they facilitated transaction it would have been even better. We are not really trying facilitate feedback of every forum transaction only those that occur on Classfy. However we respect people's previous feedbacks and so You can add your heatware profile to your Classfy profile.
The problem is that launching any marketplace you are faced with the chicken and egg problem. To try and get passed this problem we have released this as more of an MVP. Maybe forum users wont embrace our site but another niche might. So we will pivot towards them. There are MANY niches that need their own marketplace but currently don't. Take a look at http://www.coalmineclassifieds.com/ there is also another one for Oil and Gas and agricultural. Innovation is not evenly spread out in many areas of tech the reason is developers innovate because they want to solve their own problems. How many Techies are familiar with enough with the coal industry in order to disrupt it with a marketplace only dedicated to coal. Which probably will be very lucrative