We've changed our links page to reflect our policy of not linking to vendor-specific sites.
Links that may be of interest to LISUG members (and non-members) include:

IBM Sites

IBM iSeries Homepage -- The home site of all things iSeries from IBM
iSeries Information Center -- Online manuals for most current releases of OS/400

User Groups & Conferences

FASUG -- Fairfield's user group and a "sister" group to LISUG
NESTU -- West Caldwell, NJ's user group and another "sister" group to LISUG
COMMON -- The national iSeries user's conference
NEUGC -- Northeast IBM User Groups Conference

Resources for the iSeries Community

Midrange.com -- Home of Midrange-L and other midrange based mailing lists.