Pondering early 4th job strategy

Well, to any other I/L who may be interested, I decided Sekushi's "mesars plz" build (i.e., the first one) was the way to go for me, so I put 1 in Blizzard and then got 9 MW. At 123, I tested with my level 1 Blizzard on newties to see how many hits it typically took, then went up to 2, then level 3. At level 3 Blizzard, I can 3-hit newties sometimes, which is better than I was doing with 1 or 2. At 124, I put 3 into Chain Lightning and plan to get it to level 15; at this point it will have a higher base attack than Composition and hit up to 4 mobs, making it quite useful. After that, I'll probably get some Ice Demon. The magical line between 3-hit newties and 2-hit newties is still rather far off either way, so I don't think adding into Blizzard does much good, as it won't increase my training speed. I might as well get other skills instead.

Of course, before very long we will have the Time(less?) Temple. The only effect I know this will have is that Blizzard 20 will be available from something besides Zakum, so one might actually be able to find it in the Free Market or hunt for it. I've got no clue whether mobs there will be good for training at my level.