If you want to keep it cheap and still sweet, stick with the originals, especially if you plan to use them in the long run.
I did not find purchasing new rims and wheels cheap by no means.
Before you invest $$$ make sure new rims offset will clear your tie rods.
I purchased 6x16" trailor wheels which worked fine, but I don't know if they had sizes that big for your desires.
Good luck with your project.
Keep us informed so we can all learn from your experiences.
