I just saw this new OS for the 8707 and I'm still downloading to install it on my 8700.
I will post some impressions later, maybe there are difference from the 4.1.0.394 Vodafone UK OS.
You cand download it here :
8707vM_PBr4[1].1.0_rel433_PL3.0.0.41_A4.1.0.334
Vodafone - Pocket Connect