No, I have a sh*tload of things that run at startup.
In addition to the normal (antivirus, etc.), I have a Firefly remote that loads software, Dropbox, Google Drive, Skydrive, Google Music thingy, Gmail monitor, Nvidia monitor, Teamviewer monitor, and a few others. It's my main PC but at night it's my DVR.
I use it for everything.
It's an AMD Phenom II X4 945 3Ghz with 8 gigs ram. Running Win 7 64.
If I was only using it for a HTPC, I wouldn't have most of that stuff loading.