A best bet is the
Dyson DC26 Multi Floor Canister Vacuum Cleaner, model no. 1861101, for $299.99 before the above coupon, , that's $9 under our July mention and the lowest total price we've seen. (It's a current price low by $10.) It features a bagless design, detachable handle, washable HEPA filter, and upholstery tool.
$239.99 after. With free shipping