The spotlight this week may be pointed at the iPhone 3GS—and with good reason—but it's not the only flavor of smartphone ice cream. Here's a quick path to more info about all smartphones (and no dumb ones!)

• The four big carriers, the four best smartphone platforms, the best information you're going to get on the subject anywhere: Smartphone Buyer's Guide: The Best of the Best

• Got a few smartphones already in mind? We probably reviewed them:
Palm Pre (WebOS)
iPhone 3GS
BlackBerry Bold
BlackBerry Storm
T-Mobile G1 (Android)
T-Mobile myTouch 3G (Android)
Samsung Omnia (WinMo)
Note: There's no Nokia Symbian smartphone on this list because at the moment in the US, there's no handset we feel confident to recommend.

• Since surfing the web is one of the biggest reasons to choose a smartphone—and one of the biggest differentiators between smartphones—it's worth it to glance over the Mobile Browser Battlemodo, and its little sister, the Windows Mobile Browser Battlemodo.

• If you've already whittled it down to Palm Pre vs. iPhone 3GS, check out our roundup of reviews and news stories for each: Pre vs. 3GS: How To Make the Right Decision. Or you could just skip to this sweet flowchart.

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• OK, OK, so you're set on that durned iPhone, but which one? The $99 3G? Or $199 step-up 3GS? $100 is a lot to think about (even if it amounts to less than two months of actual service): 3GS vs 3G Feature Chart Comparison