Glynor,
I had another look at the Sabertooth vs. Deluxe. Sabertooth is same price; adds fancy cooling (with small maybe irritating fans that can be turned off), longer warranty, and maybe better reliability; and loses wi-fi, bluetooth, and 2nd network.
When I bought mine, the Sabertooth was substantially more expensive.
Things I like about the Deluxe:
1. Intel NIC
2. Z77 chipset so it supports dual GPUs and overclocking (I'm not using either now, but may in the future, particularly the dual GPU support)
3. No legacy PCI slots (which I'd never use and are just in the way) and plenty of PCIe slots in a nice configuration
4. 2x eSATA on the back port cluster, and still a nice array of internal SATA (they didn't just "steal" internal ports to stick them on the back)
5. ASMedia SATA controller for those back ports (the ASMedia controller is much better than the sometimes-flaky Marvell ones).
6. ThunderBolt header
7. The onboard BIOS error code display thing (which is super-handy)
8. Bluetooth onboard.
9. Second NIC (wish it was Intel) that I can assign to my VMWare Workstation and use exclusively for them (rather than bridging my main connection).
The Sabertooth version looks much the same with these differences:
1. No dual NIC, though the onboard one is Intel (which is good).
2. The "auxiliary" internal SATA ports are hung off of the ASMedia controller, rather than adding a separate Marvell (probably a good thing, not sure why they did that different with the deluxe).
3. The audio codec (Realtek) is nicer on the Deluxe. The one on the Sabertooth is a cheaper/older model (I think the difference is that the Deluxe's can do real-time Dolby encoding for game audio and whatnot).
4. No Bluetooth or Wifi (meh).
5. It only has 6 total (4 on back, 2 internal on board) USB3 ports, the Deluxe has 8 total.
6. The Sabertooth has two extra USB2 ports (10 vs 8 total).
7. The Sabertooth has one fewer PCIe 1x slots.
8. The Sabertooth has a bunch of esoteric overclocking-specific features that you'll never understand and almost certainly won't use if you don't own a liquid nitrogen tank.
9. The Sabertooth board is covered with those plastic things which look dumb (or awesome, depending on your point of view) and are really only useful for liquid cooling.
And that's basically it. So the Sabertooth has fewer "features" (as far as ports and whatnot), but has all that extra overclocking-specific stuff. For the same price, I'd go with the Deluxe (I did). If the Sabertooth is less, then I'd look at what features you're giving up and decide what matters to you, now and in the future.