Virtualmaster init.d firstboot script:
/etc/hosts
/etc/resolv.conf
/etc/conf.d/hostname
/etc/conf.d/net

GCC parameters:
CFLAGS="-march=core2 -O2 -pipe -fomit-frame-pointer"
CXXFLAGS="${CFLAGS}"
MAKEOPTS="-j5"

USE flags
USE="acl bash-completion berkdb bzip2 caps cracklib crypt cscope gzip icu idn ipv6 lzma lzo mmx ncurses nls nptl posix readline smp sse sse2 ssl symlink syslog sysvipc tcpd threads uclibc udev unicode vim-syntax xattr xml"
USE="${USE} -doc -examples -gpm -libedit"

Ebuilds in World:
app-admin/rsyslog-5.8.5
app-editors/vim-7.3.236
app-misc/pax-utils-0.2.3
app-portage/gentoolkit-0.3.0.4-r4
mail-mta/postfix-2.8.4
net-firewall/iptables-1.4.12.1
net-misc/openssh-5.8_p1-r1
sys-apps/gradm-2.2.2.201109281554
sys-apps/iproute2-2.6.35-r2
sys-boot/grub-static-0.97-r10
sys-kernel/hardened-sources-3.0.4-r2
sys-process/fcron-3.0.6-r1
sys-process/htop-0.9