It works just fine. Was using it last night and this morning camping my FD rings (got one, need one more).
Press one-
Belt of Ages - activates. no Global cooldown, starts BoA cooldown
Fist of Celerity - activates. no global cooldown, starts FoC cooldown
Thousand fists - activates. triggers GC and 1kfists coodown
Jin Surge - skipped due to GC
Thundering Fists - skipped due to GC
wait for GC to cycle.
Press two-
Belt of Ages - skiped due to cooldown
Fist of Celerity - skipped due to cooldown
Thousand fists - skipped due to cooldown
Jin Surge - activates. no global cooldown
Thundering Fists - activates. trigger global cooldown and TF cooldown.
My real question, more directly stated is: Will I net more damage if I move JS before 1k fists?
Am I missing anything I could macro in?
I usually save force crit jin ability to open this up with. Nice to drop a mob from 30% to 2% in 2 seconds

Oh, and this macro is specifictly built to exploit the current combat mechanics. I fully expect this to drop considerable when they fix it. Even went back and replaced my threstan crafted gear with Kojani to get a few more points =)
In the mean time I will enjoy my 20k crits =)