I have not yet tested VideoSpec in Lion but users made ​​feedbacks that there was no problem.

VideoSpec is my favorite such app, and it does work on Lion! The developer is to be commended for his/her creation and doubly so for keeping it free while other such devs have greedily thrown their previously free on the crApp Store Blandwagon. The crApp Store, BTW, has sadly capped off my rapid conversion over the last few years from a very long-time Mac Evangelist and ecstatic stockholder (which enabled our very early retirement and transformed my longtime cultural geographer's hobby of spending at least a month living abroad each year to now spending at least a whole season in a new country every year) to a disgusted hater of the new super-greedy, super-patronizing and megalomaniacal Apple.

But back on topic, over the last couple of updates VideoSpec has become picky as hell about the filetypes it supports, it’s become too stupid to figure out when there’s no Internet connection so it should adjust accordingly (which currently makes it insistently retarded until you click its alert response button 8 or 9 times — an uninspired idea by the developer because it smacks of data mining), and now it also crashes often.

So, though I’ll pine for VideoSpec's return in future versions to intelligence and common sense, the release of iMediaHUD 1.0.1 today may just make that wait more bearable because it too supports multi-file analysis, though instead of a single spreadsheet comparative display à la VideoSpec, iMediaHUD’s individual windows for each file you want to compare is way too unadjustably transparent and a bit ungainly, so that function could clearly benefit from a rethink. But,iMediaHUD can seemingly take anything you through at it with aplomb. I just dropped 7 different movie filetypes on its icon (.mkv, .mp4, .mpeg, .avi, .strs, .vob and .img just for kicks), and after a sustained pensive lull it puked out 7 new overly transparent windows for each filetype sporting a wealth of info about 6 of them and pleasantly more than I expected to get from the .img!

I think iMediaHUD has made a strong start, but I’m still hoping that VideoSpec will catch up in last quarter

Thanks for reporting me this bug (silly internet connection alert). Please note that you could contact me directly from my site or on the VideoSpec forum. If you want to tell me more about concern with filetypes don't hesitate to contact me.