Cleartype going titsup

I've got a simple painting routine for a control I made, it calls the TextRenderer class directly, like so:

<!--coloro:#0000ff--><span style="color:#0000ff <!--/coloro-->using<!--colorc--><!--/colorc-->(Font fText = <!--coloro:#0000ff--><span style="color:#0000ff <!--/coloro-->new<!--colorc--><!--/colorc--> Font("MS Sans Serif", 10))
<!--coloro:#0000ff--><span style="color:#0000ff <!--/coloro-->using<!--colorc--><!--/colorc-->(Font fTitl = <!--coloro:#0000ff--><span style="color:#0000ff <!--/coloro-->new<!--colorc--><!--/colorc--> Font(fText, FontStyle.Regular)) { <!--coloro:#808080--><span style="color:#808080 <!--/coloro-->// FontStyle.Bold)) {<!--colorc--><!--/colorc-->

<!--coloro:#808080--><span style="color:#808080 <!--/coloro-->// g.DrawString(e.Participant.Name, fText, SystemBrushes.ControlText, rCapName);
// g.DrawString(e.Name , fTitl, SystemBrushes.ControlText, rCapTitl);<!--colorc--><!--/colorc-->
TextRenderer.DrawText(g, e.Participant.Name, fText, rCapName, SystemColors.ControlText, TextFormatFlags.Left);
TextRenderer.DrawText(g, e.Name , fTitl, rCapTitl, SystemColors.ControlText, TextFormatFlags.Left);
}
Yet when ClearType is enabled the text comes out with an ugly bold appearance, but turn ClearType off ("Standard" anti-aliasing is fine) and it looks fine.

ClearType is on the left, Standard on the right. What's up?


.