The installation was straight forward and one of the new WP feature which automatically check if an update of installed plugins is available is definitively quite an improvement.
I got slight problems when during activation of Automattic's Widget plugin (not needed anymore… RTFMF !) and, as usual, with the Tags' cloud.
There are however some minor issues with incompatible plugins but updates should be available shortly.
WordPress version 2.3.1 is available hereTags: 2007, ATT, blog, im, install, lan, LED, light, nomadcom.net, pda, plugin, press, problems, update, upgrade, wordpress, wp, www