Did you already figure this one out? If not, let me explain for anyone who hasn't. If you pick any font, and it's not bold enough, you can use the Text Stroke feature. Just use the Stroke color, in the same color font you choose, and then use the slider or number feature to figure out how much you want it bolder. I.e. Your font is black and too thin, you want it bolder, use the text stroke in black (exact same color).
The same is true with making fonts that are too bold, and you want the font to look thinner. Use the Text Stroke feature, but this time, you would match your color to the background color - *note this only works on solid color backgrounds. I.e. Your font is black and bold already, your background is solid white. Using the Text Stroke, choose white, and make your font as thin as you want it to look.
