Currently Lotus Widget Factory (LWF) is not able to consume JSON. When adding this capability to LWF it becomes more useful as more and more resources/services are offering JSON as an output format.
When developing iWidgets, they currently are only able to run in environments that support the iWidget specification.
As there are many widget/gadget environments out there (iGoogle, Netvibes, Vista), it would be very handy to be able to publish iWidgets to these platforms. Currently there is no universal widget spec/standard ...
Since openID seems to be getting more popular it would be good to add support for OpenID into LotusMashups/Mashupcenter. This is extremely useful when making public mashups/pages.