latest version is 1.5.7 (2009-01-24) in-portage version is 3 years old (20060316) please bump, remove old version (because of versioning scheme change) also, please change homepage to http://code.google.com/p/spell-uk/wiki/aspell_uk
There should be newest in main tree now :-) Sorry it took slightly around 3 years to get this done.