I don't normally post about news, but Battle of Tukayyid events are not a joke. This is when people stop playing in the solo/group queue and start enjoying lots and lots of instant CW action. If you're in a unit, there's even the chance of achieving a place on leaderboards. Of course, there are rewards for personal and unit achievements as well.
The last time this event happened (I think back in May), I almost OD'd on CW and MechWarrior which eventually resulted in me taking a break for over a month. Why? It's because these events need a huge time investment. You have to consider that each CW match takes about 20 minutes on average and if you're on the crowded side then you have to wait 5-10 minutes to get into a match at all.
That's just me though, if CW is your thing you'll have a great time for sure! Just make sure you pick your faction wisely. During these events IS tends to be overpopulated, so switching to a Clan faction might save you a lot of waiting and frustration.
I'm sure PGI will also gather a lot of Clan vs IS statistics post-rebalance as well.