I just got my Mac Mini (my very first Mac!), and I seriously love that machine. But there is one weird thing: the HD (40GB on my case). It sometimes makes a weird noice. It sounds like whining-noise (difficult to explain), and sometimes it clicks (not like the infamous "click-of-death on some IBM HD's!). I ran the hardware-tests, and everything came back A-OK. During normal use, the HD makes faint crunching sound (like HD's do), so what are these extra sounds? Are they normal?