LogMatrix has recently released NerveCenter version 6.0.03. See the release notes at http://www.logmatrix.com/nervecenter-version-6-0-03-bld17-new-features/ We’re running NerveCenter 6.0 for large-scale SNMP polling of routers, switches, and other SNMP-capable network and server equipment. NC6.0 comes with massive performance improvements over NC4.x, and also the stability of the application has been improved.
A new minor release of Netdisco has been released, it fixes an issue with SSID handling in the database (table node_wireless). Get it at http://www.netdisco.org/