Nobody really offers a complete weatherstripping kit as most vendors do not have the ability to supply all of the pieces to make up a complete kit. Then you have to ask what all would a complete kit consist of. The most important question is to ask is who is the manufacturer of the product. If your going to replace the door windlace there is only one manufacturer/supplier of this product. Different vendors will carry it, but make sure that it is the most current version as this product has been retooled at least three different times and with any rubber product, you can have variances in the material. For the roofrail seals, the Metro piece is the norm. For the trunk seal, there is at least three to five different manufactueres of the the generic Mopar style trunk seal. There is only one that is making the correct dual profile piece. For the window felts, go with the Top Catwhiskers.
Then you start to get into all of the masticated rubber seals for the inner fenders, hood to radiator and hood to cowl seals. When it is all said and done, you can easily be looking at close to $1000 to do a car. If you should use the Steele Rubber pieces, that price will be double.
The best thing to do is to see what needs to be replaced and what can be cleaned up and reused. It is hard to beat the factory pieces. NOS seals are almost impossible to find at this point and sells at a premium when found.