The Dell XPS Tower with Intel Core i7-8700 processor and 16 GB RAM is currently advertised at the company's website for US$999.99. However, if you input a handy coupon you can knock that price down to a much more affordable US$699.99 with free shipping. The XPS Tower offers a multitude of configuration options.
https://www.notebookcheck.net/Save-US-300-on-a-Dell-XPS-Tower-that-packs-a-6-core-processor-and-16-GB-RAM.421331.0.html