You will get all kinds of opinions about it but Accpac
www.accpac.com (formerly SBT accounting) has a very large installed base.
TIW
www.tiwcorp.com has a manufacturing system which also has a large install base.
Both of these have an install base of over 1000 installs.
Then there is a number of users for Web Connection
www.west-wind.comAlan Wyne
IS Manager
Rollpak Corp