I have a Treo 700w and I'm definitely selling that POS when I quit my job at the palm store. 😉 IMO, it's just more dependable to have a solid separate PDA for its own purposes, such as running drug info programs for school. Treo's are a mess and can freeze, bog down, run out of batteries faster, glitches, etc.
I get at least 5 customers everyday asking "what's wrong with my Treo?" Everything from the 650's to the 680's to the 700p and 700w's. Hell even the newer 700wx and 750, which are the newest and baddest windows OS that "fixed all the glitches" act funny sometimes.
When I quit my job in 4 weeks, I'm definitely using my discount to pick up either a Tungsten E2 or a TX. TX is sooo nice but the price ($299) is more than I want to spend. And frankly, it does way more than I need (Wi-fi, etc).