Reasons to Buy a Palm
More third-party software. The Palm OS has 72 percent of the worldwide PDA market, according to IDC. As a result, there are thousands more applications available for Palm devices than for Pocket PCs. So if you want lots of programs to choose from, such as Iambic Software's TimeReporter time-tracking software (available for Palms but not Pocket PCs), your best bet is a Palm OS PDA.
For a look at my favorite Palm OS applications, read "Mobile Computing: Best Programs for Your Palm." For my top Pocket PC applications, see "Mobile Computing: Top Pocket PC Programs."
Lower prices. The least expensive new Palm OS device is the Zire, which lists for $99. By comparison, the least expensive new Pocket PC models (such as Dell's Axim X5) retail for about $200. The Zire lacks some features of low-end Pocket PCs, namely a color screen. But when you're on a tight budget, the price tag may appeal more to you than a fancy display.
For the latest PDA prices, check out the PCWorld.com Product Finder.
Needs fewer resources. The no-frills Palm OS doesn't require a speedy processor and tons of memory to run efficiently. On the other hand, Pocket PCs, with an operating system based on Windows, are more resource intensive and thus require faster processors and more memory (which drives up hardware costs).
Easier to use. This is a judgment call, which I suspect will cause my in-box to overflow with fervently expressed disagreements. But I've used both platforms, and in my humble opinion, the Palm OS and the applications that run on it are more straightforward and simply designed than their equivalents on Pocket PCs, yet are powerful enough to get the job done.
Better integration with Microsoft Office. This could be the subject of an article by itself (as well as another heated argument). In my experience, DataViz Documents To Go 5.0, included on most Palm models, provides tools and integration with Microsoft Office files that surpass the versions of Office on Pocket PCs. For instance, unlike Documents To Go on Palms, the pocket Office applications don't include PowerPoint (though third-party applications are available that provide access to PowerPoint files).
Smaller size. In general, Palm devices tend to be more compact than Pocket PCs. This differentiator is diminishing as larger, more robust Palms and smaller, more streamlined Pocket PCs come to market.
Reasons to Buy a Pocket PC
More models and vendors. Pocket PC vendors include Asus, Casio, Dell, Gateway, Hewlett-Packard, Toshiba, and ViewSonic. By comparison, the majority of Palm OS PDA models in the U.S. come from Sony and Palm/Handspring--the two companies plan to merge. (I'm not including specialty devices based on the Palm OS, such as the AlphaSmart Dana notebook alternative. For more on the Dana, see this week's Handhelds section.)
Better screens. Until recently, the most Pocket PC color displays were crisper and offered more resolution than most Palm OS displays. This, too, is changing, however, as Palm OS devices--particularly multimedia handhelds from Sony--are aggressively catching up with Pocket PC models.
Better Web browser. Pocket Internet Explorer, the "mini-me" to the Windows version, is the best Web browser I've used on a PDA, partly because it's so similar to what I use on my Windows machine.
Easier multitasking. Pocket PC can open more than one application at a time, unlike Palm devices--though only one Pocket PC app can appear on screen at a time. This makes it a bit easier and faster to jump between applications, but it also consumes more memory.
MP3 player. Pocket PCs come standard with Windows Media Player for MP3 and other multimedia files, while only newer, high-end multimedia Palm OS devices come with media-playing software.
Built-in speaker. Speakers are standard on Pocket PCs but are only found on some Palms, such as high-end Sony multimedia devices. This isn't a huge advantage, because even the best Pocket PC speaker is sounds tinny. Still, if you want to create and play back voice recordings or add GPS/mapping software systems with audible driving directions to your PDA, the Pocket PC is your best bet.
And the Winner Is...
If you are primarily need a compact, reasonably priced, easy-to-use PDA for calendaring, contacts, to-do lists, and possibly a few multimedia perks, shop for a Palm OS device.
On the other hand, if the familiarity of the Windows OS interface appeals to you, if you want to carry around what is essentially a tiny version of your PC, and if you want multimedia to be the rule and not the exception, then go for a Pocket PC.
drum en bassliners... en volledig paket 
veels teveel bugs in dat kl*t* windows mobile en als je pdatje ff langer als een paar uur zonder batterij staat ben je al je gegevens en data kwijt ken je weer lekker alles lopen syncen met active sync, .net erop programmeren is nog het leukst....
