and do they both have photos that are the same size?

the fuji wide format instant camera:
http://photojojo.com/store/awesomeness/fuji-instax-210/

or the polaroid 300 instant camera (don't mind that it's sold out)
http://www.target.com/Polaroid-300-Instant-Camera-PIC-300B/dp/B003B2ITI4/ref=sr_1_2?ie=UTF8&searchView=grid5&keywords=polar oid&fromGsearch=true&sr=1-2&qid=1291531816&rh=&searchRank=target104545&id=Po laroid%20300%20Instant%20Camera%20PIC-300B&node=1038576|1287991011&searchSize=30&searchP age=1&searchNodeID=1038576|1287991011&searchBinNam eList=subjectbin%2Cprice%2Ctarget_com_primary_colo r-bin%2Ctarget_com_size-bin%2Ctarget_com_brand-bin&frombrowse=0