Five Fujitas would be a thing to behold and would certainly break the bank. Also, both the US and Canadian importers didn't make it much past the financial festivities of '08. They are still made in Kyoto though and have been for over 50 years. PortaBotes are a whole different critter - an open dinghy as opposed to a decked kayak. Perhaps a solution for portable group fun on the water. Check out the Oru Kayak
orukayak.com which is a somewhat similar concept to the PortaBote that has had very good reviews and an attractive price point. I might even consider one though my current choice would be a FeatherCraft Wisper EX. One Wisper is roughly equivalent to five Orus...