Although every product deserves healthy criticism, many opinions of Windows 8 seem to be based on misconceptions, especially when it comes to the viability of Metro as a Start menu replacement. For the record, I don't care if you skip the update -- hell, I might pass on it too -- nor do I care if it's the most failtastic operating system in Windows' 26-year history.
However, I believe your opinion should be formed by facts, not irrational rhetoric parroted online by so-called power users and companies that want to sell you third-party programs. The truth is, functionally speaking, Metro is basically identical to the Start menu.
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips