2 Best Remington 870 Upgrades of 2012
I think that two best new products of the 2012 were: Eotech Integrated Forend Light and Magpul Stock/Forend.
They are very good and affordable upgrades for Remington 870 shotgun.
Eotech Shotgun Integrated Forend Light for Remington 870
Read review here: Eotech Shotgun Integrated Forend Light for Remington 870 Review
Magpul Remington 870 Stock and Forend Kit
Read review here: Magpul SGA Stock and MOE Forend for Remington 870 Review