What features does chkbuild offer that Hudson doesn't? Should I put a feature request in? If there's some stumbling block to adoption, it seems that switching

What features does chkbuild offer that Hudson doesn't? Should I put a feature request in? If there's some stumbling block to adoption, it seems that switching the single CI box to Hudson, then utilizing the numerous Hudson boxes out there as slaves is quicker than trying to get people on board with chkbuild.