The sanitized 1.6.2 ebuild has been in the tree for over one months without any issues, fixes lots of upstream bugs (see http://pear.php.net/package/PEAR/download/) and -r1 just adds a couple of pear channels needed for other ebuilds. Please stabilize, thanks.
x86 stable
ppc64 stable
amd64 stable
ppc stable
Stable for HPPA.
alpha/ia64/sparc stable
http://sources.gentoo.org/viewcvs.py/gentoo-x86/dev-php/PEAR-PEAR/PEAR-PEAR-1.6.2-r1.ebuild?r1=1.8&r2=1.9