Hey I have a perfect proposition for you: you can write that sequel to the Fourth Deathly Hallow, AND have another pairing to write about: Holmes/Watson. ;-) That's where all signs point to... (yes, I just had a vision and a prophecy)
Seriously, the Fourth Deathly Hallow is one of my 5 most favourite snarries... and Gut Feeling is absolutely fabulous! I adore it!
Oh and I also wanted to say: you are also queen of awesome summaries too!