It looks like there isn't much of a gap between the Sens and Neil in terms of money. The sticking point seems to be the length of term. Neil's agent claims they're asking for less than 2.5 million but are looking for a long term deal.
http://www.sportsnet.ca/hockey/2009/04/27/neil_contract/
http://www.sportsnet.ca/hockey/2009/04/27/neil_contract/