The only other option would be the Vive Unless you also have a PS4 or a Samsung galaxy phone.
I would stick with just the RIft for now and pickup some peripherals like the Oculus Touch Controllers. Virtuix Omni, nice driving wheel, HOTAS (Hands On Throttle-And-Stick).
Oculus Touch $???:
https://www.oculus.com/en-us/touch/Virtuix Omni $699:
http://www.virtuix.com/products/Driving Wheel $400:
http://www.amazon.com/Logitech-Driving- ... 236&sr=1-1
HOTAS $230:
http://www.amazon.com/Saitek-Flight-H-O ... ords=hotas
Seat To mount the Wheel or HOTAS $400:
http://www.amazon.com/Playseat-Evolutio ... s=playseat