Briar has primacy on my racks, with MM cobs close behind, with an extra long clay as an option, and one treasured Meer estate given me by the late great fish'n'banjo for when I want that clarity in flavor.
Factory pipes predominate, with treasured artisan pipes in the mix, and the aforementioned MM cobs in abundance, retrofitted with Forever stems or bought with acrylic stems.
Brands most often are Savinelli, Stanwell, Johs, Kaywoodie, Peterson, Nording, and a variety of French pipes like Chacom, BC, Genod, and EWA represented.
Artisan pipes include Ser Jacopo, Ferndown, Camanneti, and Perry.
I like the variety of extra large pipes, a majority of medium sized, and several really small pipes, for a variety of moods and applications. I have one Falcon, a straight pipe with the bronzed stem.
That about sums it up, and I'm sure I'm leaving something out that I'll wish I had included.
I have many slightly bent, an equal number of straight, a number of full bent, including a Sav Oom-Paul/Hungarian my wife gave me that I greatly enjoy. My wife has given me a number of pipes -- also a Sav churchwarden that is the perfect pipe for smoking seated (pictured at left as my avatar).