One quick note: Wraith Guard are a minimum 5 per unit now, and take up two slots in a transport.
Depending on the order of deployment, you have good chances to shape ANY of the deployments into a Hammer & Anvil style. You need to be careful with your Objective placement and mindful of how reserves will enter the game. But otherwise, have fun stretching the board!
The missions you choose to play will have a significant impact on what lists 'work' and what lists don't. Semi-Maelstrom (like those from Frontline Gaming) is very popular. I like Semi-Maelstrom for pick-up games with players that don't consider themselves competitive/go to tournaments. Otherwise, the AdeptiCon Maelstrom is the best. It adds dynamic tension and puts increased importance on being able to do solid risk/reward analysis. AdeptiCon scoring is also interesting (perhaps not better, but definitely interesting) in that all Victory Points go into the same pool.
Here are links:
http://adepticon.org/wpfiles/2015/201540Kchampprimer1.pdf
http://adepticon.org/wpfiles/2015/201540Ktocards.pdf
Below is my 1850 Renegade Open list from last November, illustrating that I like to play from range. Yes, it's got Min-DAVU serpents; this is a tournament list.

The S8 Hornets (with their 48" range) and Warp Spiders will give Tau nightmares. Necrons look really strong with the changes to Reanimation Protocols and I haven't played their new codex yet, so I don't have advice for that.
Eldar Primary Detachment with Dark Eldar Allied Detachment (1850)
HEADQUARTERS
•Autarch [Warlord] (Fusion Gun, Scorpion Chainsword, Banshee Mask) 88
TROOPS
•5 Dire Avengers; Wave Serpent (Scatter Lasers, Shuriken Cannon) 195
•5 Dire Avengers; Wave Serpent (Scatter Lasers, Shuriken Cannon) 195
•5 Dire Avengers; Wave Serpent (Scatter Lasers, Shuriken Cannon) 195
ELITES
•5 Fire Dragons (Exarch; Fast Shot); Wave Serpent (Scatter Lasers, Shuriken Cannon) 260
FAST ATTACK
•2 Hornets (4 Pulse Lasers) 160
•2 Hornets (4 Pulse Lasers) 160
•8 Warp Spiders 152
HEAVY SUPPORT
•Wraith Knight 240
ALLIED DETATCHMENT: Dark Eldar
•Archon [
HQ] (Haywire Grenades, Webway Portal) 100
•5 Kabalite Warriors [Troops] 40
•1 Venom [Fast Attack] (Splinter Cannon) 65