Rockboard flat MIDI cables are great :) They are cheap and the quality is solid. I use them to get midi keyboards and synth modules closer together and it really makes a huge difference.
Since these cables are angled, make sure that you won't cover audio ins/outs or other ports that may be next to the midi ports. You will need atleast 2cm (prefrably 2,5cm) of distance to the port to be able to use it!