What about the EasyJet for Darks - Inkjet Heat Transfer Paper? It reads like it might have a little lighter feel.Howard. I would recommend an Epson inkjet printer. I am sure that forum members will suggest a model. For paper, JetPro for lights and 3G Opaque for darks is the most popular.
Since you are doing vinyl Siser has Ecosolvent printable products. One is for light and the others are opaque for dark. They have to be contour cut like vinyl to weed out the excess. As you know vinyl is durable. It is something you might look into. I don't own Ecosolvent printer but I thought I would mention it.Currently doing vinyl transfers on T-shirts. Want to print my own transfers using Laser or inkjet. Best printer and paper?