Couple of things I hate in Windows 8.

Windows 8 is great, don't get me wrong. But imperfections begin to show up in every product, and this OS is no exception.

1.Window names become indistinguishable with dark theme colors.
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Can't make out that it's 'Task Manager'.

2.Metro apps vanish after I launch a desktop app.

Before:

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via i46.tinypic.com

After (launching CS:Source and Alt+Tabbing back to desktop):

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via i49.tinypic.com
Have no idea why only the Music app survived, though.

Nothing deal-breaking, these problems are. But no denial that they may affect the overall experience to a considerable extent.
Anyone else annoyed as well?