Ends 1/18. Newegg has the Antec Performance Series P82 Flow ATX Mid-Tower Case with Tool-Free Tempered Glass Side Panel for $60 - $20 rebate [Exp 1/25] = $40 with free shipping.
Ends today. Newegg has the Antec Dark Phantom DP501 ATX Mid-Tower Gaming Case with ARGB Motherboard Sync and Tempered Glass on sale for $66 - $25 rebate [Exp 1/11] = $41 with free shipping.
Amazon with Antec Direct has the Antec 2.5 USB 3 Clear External Hard Drive Enclosure Case for 2.5" 7mm 9.5mm SATA HDD SSDs for $4.99 with free shipping on $25+ or with Prime.