I'm pretty happy with 188.8.131.52. It could use a couple of minor improvements, but seems quite functional to me. I think I'm going to wait & see what people have to say about Bell's .76 release as well as if the VZW release will be the same .75 I've already got before upgrading to either.
BB devices I've owned: 957 : 7750 : 7250 : 8703e : 8830 : 9530 : 9630 : 9650 : 9930 : 64GB PB
BES 5.0.4 ~ BES 10.1