There's a great rundown on Linux vs NT with the experiences of big US sites running each and the pros and cons in a number of important areas such as scalabilty etc. It's at Webmonkey and worth a read for those still deciding on a host.
Yeah I'm pretty biased towards Linux...I also have rarely seen NT work well with perl scripts...If I was on NT I'd want cold fusion based C++ code..or something like Allaire forums... But I'd love to be wrong and hear that Threads is great on NT..I am after all a WWWThreads geek :)
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