I use PYRO platforms allows you to use your own choice of shoe plus you can unclip like conventional clipless if needed or hand unclip them then place on your foot separately then clip in. I generally just leave them attached and place my foot in them and do up.
PYRO Platforms
These maybe another option Sunlite Adjustable Heel & Toe Support
http://www.utahtrikes.com/PROD-11618589.html