REUSE

see if any components exist that you can reuse

UXD

brainstorm ideas for what can be changed or improved over the JSF or Struts version of the page

HISTORY/BREADCRUMBS

make sure the page, and possibly sub-pages, are bookmarkable with user-friendly breadcrumbs (e.g. use names, rather than id's)

AUTHZ

make sure buttons, tabs etc. that use does not have authorization to access are grayed out

LAYOUT

make sure page scrolls properly, both vertically and horizontally

QA

make sure all components have id's so they can be tested via Selenium

I18N

make sure all messages are i18n'ed