PDA worries

quite sian of worrying abt getting a PDA...

should i get a ..

1. dell $599 (cheap, alright specs but SUCKY batt life, a tad unstable)
2. acer $499(cheapest, specs not as gd as dell, but again unstable)
3. HP rw6828 $799-899(MOST EXPENSIVE! but has phone capabilities, camera, quite stable out of the lot!)
4. Palm T/X $479 (quite stable, but it's a palm OS..erm go figure)