I don't know if we paid anything for him but whilst searching I found this Sky Sports scout report valuing him at £4m now.
http://www1.skysports.com/football/news/15198/9187333/sky-sports-scout-in-association-with-wyscout-reports-on-solly-march
I feel the same way. We've spent millions on a training ground and an academy, just to see the youngsters we do bring through get cherry picked by the Premier League.
It hasn't done Grant Hall much good. He spent the entire season at Swindon.