Lorenceo: I'm quite partial to Tomato myself. Biggest issue I've found with Tomato on the R7000 is IPv6 doesn't work properly.
Thanks, I tried both firmware this weekend and ended up using Tomato by shibby.
DD-WRT has heaps of problems with R7000, and biggest one is random reboots (I can confirm this first hand) and you have to fiddle around with command line to fix the problem.
Changed to Tomato and 0% problem so far.