You can try looking here - http://www.hometalk.com/search?filter=christmas+tree&topic=Christmas_Tree - not sure if you can filter down to ONLY traditional...
I did a search on hometalk for "traditional Christmas trees" and found some ideas I thought you might want to check out:
This blogger made a traditional tree while adding her own traditions by using decorations that were significant to her and her family.
This post offers a variety of ideas, some pretty classic:
Here's another gorgeous tree by @Connie Nikiforoff Designs: http://www.hometalk.com/715150/teal-blue-and-lime-green-christmas-tree-colors
I see your taking my advice and going to shop the sales, so it will be ready for next year! Yay Pam! P.S. your going to love Hometalk!!!!! I do!They are all so nice and helpful here!