a talk
is there video evidence?
yes, there is. if you're a member of the AHA, all talks from past HomeBrewCons (formerly national homebrewers conference, NHC) are available on the AHA website. my talk was in philly in 2013.
what varieties did you get?
Chinook (used in Stout, Porter and IPAs) and Willamette (Pale Ales, Amber Ales. Porters, Irish Red Ale.)
Didn't really have too many options, plus it's more for the aroma and not the bittering
chinook is a great choice - good solid grower, nice hop for APA/IPA. willamette i'm personally less excited by, it's more on the noble hop/british hop end of things. for a while Budweiser was using it in their beers (not that they use very much...). if ever you're looking for plant #3, consider cascade. another strong grower that is great in APA/IPA.
you should only plan on using homegrown hops of flavor/aroma. there is no way of knowing what the AA% of your homegrown hops will be, thus impossible to estimate how much bittering you'll get out of them. homegrown always have lower AA% than commercial, but how much less is anyone's guess... 20% less? half as much? more?
the best use of homegrown hops, IMO, is a fresh-hopped/wet-hopped beer. make a standard APA or IPA wort, bitter using a commercial hop with known AA%, then at flame-out dunk a mesh bag (like a BIAB bag if you have one) with 3 to 5 pounds of fresh hops that you picked that same day. let them steep for a while, pull 'em out and let them drain into the kettle, then cool as normal. dry-hop with more fresh hops if they are still available.
there is a part of me that is just fine growing them for fun
Didn't realize it would be three seasons until I can use them
no no - you'll be able to use them this year, it's just that the yield will be low. by your third harvest, the plants should be at full strength and producing their full output.