I have been playing with toning in PS for a while and haven't been that happy with the results so I found someone whose toning I did like and asked them how they did it. They pointed me in the direction of
http://www.theimagingfactory.com/ they produce a PS plugin called convert to black and Pro 3. It is downloadable and fully functional for 30 days from the web site. Here are some of the features from their website:
Features include:
Prefilter Color
Define any colorhue and intensity for prefiltering the image. The result can be seen interactively so subtle color differences can be judged easily.
Color Response
Define any color response by using the intuitive controls, which allow you to adjust the color sensitivity of the film at the 6 primary and secondary color areas. Defaults for several film types such as TRI-X and T-MAX are available.
Tonal Response
Powerful sliders to control the negative exposure, paper exposure, and paper contrast through an interactive multigrade value. (Based on Ilford's digital multigrade curves).
Sepia Tone
Select between two types of Sepia tone, pick any color through the photoshop colorpicker, and adjust the intensity using an interactive slider.