I really like the T/X; only had it about 6 days so far.
For me, over the last 7-8 years I went from "Day Timers" to a Sharp, to a HP Jonada, to a Handspring Visor Deluxe, to a HandEra 330 (based on a Palm III), and now a Palm T/X.
I'll give it up only when someone can pry it out of my cold...