Here is Edson's pump page: Emergency Pump Kits : Edson Marine Store
Sailnet does have a side inlet Edson for $193 but it is not on Edson's website.
Edson - Edson Bone Dry Manual Side Inlet Pump - Aluminum - 117AL-150
I would install a pump like the Henderson so you can pump from the cockpit. Sailing alone I wouldn't want to deal with a portable pump and control the boat - a built-in pump that can be used in the cockpit while steering is better I think.