I don't need to read another person's opinion to know what I value as important when using my smartphone. "Real life" usage varies from person to person and my real life usage happens to be frequently accessing data while on my phone calls.If you read over all the pro-Apple journalists (like Mossberg) who reviewed and trashed all the Verizon iphone killers --- none of them actually mentioned this "weakness" (therefore it's largely an academic issue that has no real relevence to real life usage).
I see full bars everywhere I go too, but I still get dropped calls. I would happily give up my ability to browse the internet while in a call to not have dropped calls anymore. Especially because I would gain the ability to use the Internet and make calls on the metro (not just a select few stops) here.
I guess I should have clarified that I have had one or two dropped calls now and then but not nearly enough to warrant a major issue for me or conflict with my productivity of using data/voice at the same time.