Shopping for Vintage Furniture can be so much fun. If you are looking for pieces that are "design ready" to incorporate into your design, there are a some fabulous online resources. Coco Vintage Furniture is a great one for chairs. They have a great line of refurbished rescued vintage furniture made over for a perfect balance of luxury and chic.
This chair is part of a pair of French over-sized Bergeres in the Neoclassic Manner and includes over-stuffed down cushion.
How about a little mid-century Hollywood. I love this high back chair in lush velvet fabric. I know you are thinking of a room for this one!
As much as I love the vintage look and feel of those chairs, I love this more modern style sofa. Its been re-upholstered in two contrasting fabrics by Paul Mc Cobb.