I've tested the GriGri+ on an extended climbing trip through Yosemite, Red Rocks, Zion, Indian Creek, etc. and really like what Petzl has done.
Review: Petzl GriGri+ - Black Sheep Adventure Sports
Reviews Archives - Black Sheep Adventure Sports
Rock & Ice Archives - Page 5 of 8 - Black Sheep Adventure Sports
Gear Review- Petzl GRIGRI+
UKC Gear - REVIEW: Sneak Preview - Petzl GRIGRI+
Gear Review- Petzl GRIGRI+
Gear Review- Petzl GRIGRI+
Review: Petzl GriGri+ - Black Sheep Adventure Sports
Petzl Archives - Black Sheep Adventure Sports
Does the Petzl Grigri+ Make for a Better Belay? Review