Dell Home has Xbox 360 Arcade Console for $150 or $145 w/ DPA with free shipping.
Dell Home also has Microsoft Xbox 360 Arcade Edition + $50 Dell Giftcard for $180 (or $175 w/ DPA) with free shipping

If paying with Dell Preferred Account (DPA) you may save an extra 3%, here is how:

1. During checkout, select Credit Card as method of payment
2. Click “Change Payment Type”
3. Click “Choose” link under Credit/Debit Card (again)
4. Under “Save 3% with Dell Preferred Account! (Discount applied at Final Checkout)” click “Click Here to Take Advantage of this Offer” link
5. Click “Choose” under “I already have a Dell Preferred Account” if you have one, or sign up for a new one if you don’t
6. Checkout, enjoy your 3% savings