I bought me equalizer on ebay and had the dealer install it at the PDI. I love it, both of my trucks pull great, very stable and only the tiniest bit of sway in a heavy crosswind. Mine is pretty quiet almost never makes any sound.
We looked at the Keystone, I actually like the outside more than the Sunset Trail 290BH we ended up purchasing. We looked at both back to back and ended up going with the ST as it was only $1200 more and the inside features, fit and finish was much...
Our first weekend out with the F350 a great upgrade from the Avalanche. We are loving every night we get in our 290BH, up to 13 nights so far this year with 4 more trips planned before the cold weather arrives.
With a goof WD hitch you will be ok. If your going to tow across the mountains it might not be much fun. I tow my Crossroads 290Bh with an 07 avalanche ltz.