Dell Vostro 260 Mini Tower with Monitor $499

Dell offers the business-oriented Vostro 260 Mini Tower desktop with a 20" widescreen monitor for $499, a $200 discount. Base specifications include a 2.6GHz Intel Pentium G620, 3GB of DDR3 1333MHz RAM, a 320GB hard drive, a 16X DVD burner, 5.1-channel audio, Windows 7 Professional 64-bit, MS Office Starter, and a mouse and keyboard combo. An extra $100 upgrades the machine to a 3.1GHz Core i3-2100, 4GB of RAM, a 500GB HDD and a 23" display. Units ordered today ship October 12 and this deal expires on October 6.

Staples Rewards printable coupon: 100% back on SanDisk 4GB USB Flash Drive 

For its Staples Rewards members only, Staples retail stores offer the SanDisk 4GB Cruzer Blade USB 2.0 Flash Drive, model no. SDCZ50-004G-B35, for $6.99. (Not a Staples Rewards member? Click here to sign up.) Redeem this printable coupon to get 100% back in Staples Rewards, which can be used on most future Staples purchases. Assuming you use the credit, that's the lowest total price we could find by $8 and the best deal we've ever seen for a 4GB USB flash drive. Sales tax is added where applicable. Coupon expires October 8. Note that you'll need a minimum of $10 worth of rewards in order to use them. 

Lenovo AMD Dual-Core 1.6GHz 15.6" Laptop for $300 + pickup 

Best Buy offers its 5.2lb Lenovo B575-1450A7U for $299.99. Choose in-store pickup (it's no longer available for shipping). That's among the lowest total prices we could find an E-350-equipped IdeaPad laptop. We saw one for $11 less four days ago, which had less RAM, a larger hard drive, and a slower graphics card, as well as rebate hassles, since expired. Sales tax is added where applicable. Features include a 15.6" 1366x768 LED-backlit LCD, an AMD E-350 1.6GHz dual-core APU with a Radeon HD 6310, 4GB of RAM, a 250GB 5400RPM hard drive, a DVD burner, 802.11n wireless, Gigabit Ethernet, a media card reader, 6-cell battery, fingerprint reader, and Windows 7 Home Premium 64-bit.

Sony 1,000W 5.1 WiFi 3D Blu-ray Home Theater System for $349 + free shipping 

Beach Camera via eBay offers the Sony 1,000-watt 5.1-Channel 3D Blu-ray Disc WiFi Home Theater System, model no. BDV-HZ970W, for $349. With free shipping, that's $80 under our August mention and the lowest total price we could find by $139. It features 1,000 watts of total system power into four satellite speakers (two wireless rear speakers), a center-channel speaker, and subwoofer, 3D Blu-ray player, BRAVIA Internet Video (Netflix, YouTube, Pandora, more), USB connectivity, Wi-Fi support with included adapter, and more. Deal ends October 10 at 3:14 pm ET.

Panasonic SC-HC05 Bluetooth Audio System for iPod touch for $100 + $2 s&h 

Panasonic offers their Panasonic SC-HC05 Bluetooth 40-watt Micro Audio System for iPhone/ iPod touch in Black (pictured), or White for $161.99. Coupon codes "Q311HC05K01" and "Q311HC0501" knock each respective item to $99.99. With $1.99 for shipping, that's the lowest total price we could find in any color by $64. This system accommodates the iPhone and iPod and features Internet radio, LED display, Bluetooth connectivity for streaming music, two way 40-watt speakers, docking / charging station, and more.

Lenovo 22" 1080p LCD Display for $100 + $10 s&h 

Today only, TigerDirect offers the Lenovo 22" 1080p LCD Monitor, model no. L2230x, for $129.99. Coupon code "AVR45535" cuts it to $99.99. With $9.56 for shipping, that's tied with last month's mention and the lowest total price we could find now by $32. It's also among the least expensive 22" 1080p LCD displays we've seen. Features include a 1920x1080 native resolution, 1,000:1 contrast ratio, 250 cd/m² brightness, 5ms response time, four USB ports, Ethernet port, and VGA input.