Haste
There is a known bug affecting the behavior of HTT and HST regarding haste. It appears that HTT and HST will gain or lose a tick near their haste breakpoints due to latency issues and might randomly award another tick at arbitrary haste levels. The second part has led the resto community to believe that the haste breakpoints are wrong which is not the case. For all intent and purposes the Haste section and its theorycrafting will reflect the intended behavior of both of these abilities.
Personal observations (special thanks to Mimu for his valuable help) have proved the following. For more detailed information and the observed results refer to the discussion at #69. In short :
1. HST and HTT breakpoints are correct however if you have above 50 world latency chances are that you are going to lose a tick if you are very close to your haste breakpoint more often than not.
2. HTT breakpoints in practice will, to some extent, follow Healing Rains breakpoints. Note that both totems will not follow spell haste breakpoint calculation methods due to their fixed duration so there is no need for time adjustment in the formula (special thanks to Binkestein for his help on that). This means that even though HTT appears to almost coincide with HR breakpoints, by no means their formulas are the same.
[b]As a final note. With the latency issues all of HTT and HST breakpoints are fluid and very unreliable. Just because you hit a haste breakpoint you are not guaranteed an extra tick. It is not therefore recommended to aim for these soft haste caps. For more information on how to reforge do read on. For in-depth explanation refer to #71.
How to reforge Haste
Since HST and HTT extra ticks are for the most part dependent on your latency their first breakpoint of 3764(3306 for goblins) is greatly devalued. Aim for as low as 871 (441 for goblins) as you can. For this exact reason Ancestral Swiftness talent is also greatly devalued. Given the fact that Echo of the Elements doesn't synergize well with most spells Elemental Mastery talent becomes the strongest contender. As gear ilevels increase haste will become exponentially harder to control. Depending on your percentage of RT usage ,when 5676 (5199 for goblins) becomes easy to attain, you might want to reforge to it although it is not recommended since that one extra tick of the HoT portion will not make up for the loss of the throughput the other secondary stats would bring. At 7613 (7116 for goblins) HR gets an extra tick. In a situation where you're stuck at a high level of haste, it can be beneficial to go for that haste breakpoint, however, the throughput gained would generally not make up for the lost secondaries in other stats, specifically crit and mastery. Refer to Secondary Stats Priority and Reforging section of this guide for further information on Mastery vs Crit. As a rule of thumb, consider reforging to haste only when you are very close to the haste breakpoint and you cannot reforge out of it.