Imported my cellar into PipeTool...I like it, but I still prefer TobaccoCellar. I like that TC displays the whole cellar on one page (instead of limiting to viewing only 100 entries per page), and that it includes both the tin date and the age in the cellar summary (PT has the functionality to view both, but you have to click on an individual tin to see all of that data at once). Age is good to see at a glance, but the readily available tin date is good when double-checking your inventory (which I, compulsively, do twice a year). The blend type/age graphs are nice, too.
PT is a lot more modern, I'll give it that...and the inclusion of reviews and pipe inventory are nice.
Pylorns, I'm correct that you're the man behind the PT, right? It's off to a really nice start - maybe my preference (for now) of TC is just because I'm used to it. PT is something I'll keep my eye on...it's new and still evolving, as I understand it. It wouldn't take more than a few tweak here or there for my preference to swing around.