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I think we all may have to wait awhile. It seems that new kinds of planets are discovered almost every month! Mind you, these must be great times for astronomers.
This is really fascinating subject matter. I was recently browsing a site, which may or may not be well known here: http://www.extrasolar.net/
This inspired some thought, as inner zone jovians are apparently much more common than Traveller imagined. Since the TNE book description of gas giants in relation to the UWP makes no mention of brown dwarfs et al, I am considering making the gas giant column in the UWP include only those jovians where fuel skimming is possible. So a system with a "0" in the gas giants column may actually contain a jovian whose temperature and/or pressure is far too high for refuelling, such as Osiris at HD 209458.