I found the bead to be the best option. I did upgrade too a Hi-viz snap-on sight and it is an excellent cheap upgrade!
I have a Hogue Pistol Grip for sale if you are interested, Dhonovich has the Ergo Forend for sale as well.
I can recommend the Magpul AFG2 as it is a great product like all other Magpul items! Little more slim than the AFG1 and has an interchangeable center piece from a smooth plate too a little finger rest. My experience with the finger rest is that it is awkward and hurts your middle finger when firing.
I used LaRue Tactical Handstops and they were AWESOME stuff! A bit pricey and sometimes out of stock but well worth it if it is what you are looking to add to your forend!
Also, The ERGO Tri Rail forend... A++ stuff! Make sure you get the right forend though! The one Dhonovich has for sell is for the short slide 6-3/4" (Item: 4865s)