Just sharing my experience. Score is in my profile.
Obviously, looking to improve DI the most.
i was able to change from incorrect to correct on Quant for all 3 opportunities, and i only missed one question, and got an 84/90.
verbal, ran out of time. honestly just need to drill more question with a fresh mind, under time.
DI seems easiest to improve by doing both quant and verbal together.
TPA seems to be the hardest for me personally and there is much more reasoning and differentiating the possibilities, espeically for cascading verbal questions, where one bubble effects the other.
Graphs and tables are straightforward, and so is MSR. I scored 100% on MSR.
i also scored 100% on Algebra. AMA.
i used both MP and TTP. did not finish the TTP course yet, as its insanely long. MP is okay, personally i wouldnt purchase it again. as the MP "app" is not great either. Most of the things on there can be foudn on GMAT club, there is no video content, and theres way too much geometry thats still left in, that frankly is not relevant or useful.
Taking a mock tomorrow, hoping to score above 600.