I tried it never found it much fun, I like the tank games more focused on realism I guess. It's not particularly engaging either requiring little to no skill or thinking and is very repetative once youve played all 5 maps.
They added a bunch of maps so that has become less of a annoyance, they also made auto-aim useless and as you progress in the game you will see more tactics, instead of a bunch of little tanks driving around creating one big chaos.
SPG's are retarded. I easily average with 2 kills per battle with my ****ty StPz II. Plain stupid especially when I'm rolling in my KV and am getting my tracks blown off by a f'n Bison. 5 times in a row which get's me killed in the end.
BAF' expansion's not really that worthwhile a purchase IMO; the addons aren't particularly accurate and the campaign is a bit lacklustre. Some decent single player missions though. RKSL, P:UKF and PR mods have so far, and will continue to do better British Armed Forces addons than BIS, for free.