upgrades

Throughout IFR training it's become clear that I really need to get an IFR GPS to expand my capabilities. Assuming this is your starting point, how would you customize it to get the most functionality bang-for-the-buck? Right now the center stack is a KLN89 GPS (VFR-only), 2 KX-155 TSO...

Hi There! I have an RV6A that I'm doing an avionics upgrade on. I have on the aircraft Dynon EFIS D10A, EMS D10, 2 axis Dynon autopilot. I'm trying to add Aspen PFD 1000 and IFD 440. is it possible to have the aspen EFIS talk to the Dynon EFIS so I could use the autopilot with the aspen and IFD 440?