We have just published the newest Beta Distro for 32bit and 64bit.
This includes an upgrade to Asterisk 1.8.8.0 from 1.8.7.1 and upgrades all the FreePBX Modules
Like always uou can grab the upgrade script from http://www.freepbx.org/forum/freepbx-distro/distro-discussion-help/beta-release-versions
Please report any bugs you find.
Also you can download the latest Beta Distro from http://www.freepbx.org/freepbx-distro