My favorites are my Pfaffs 1222E(electric) and 60 treadle. I like the 1222E for its built in walking foot and the 60 for how nicely it sews; its a joy to treadle. I have a variety of machine brands and they all have their specialties.
The Singer Featherweights sew a lovely stitch and are light enough to travel easily, the Singer treadles all sew beautifully and can quilt as well as sew anything I can get under the presser foot.
Recently one of my FW went to the hospital with me to keep me busy piecing log cabin blocks while I had IV antibiotics for 2 days; wasn't sick except for the MRSA on my leg.
Sharon W.

201 wins, Bernina 830 Record second, Necchi Supernova for fun. Honorable mention Pfaff 260 and Elna SU. Most versatile Singer 319

I think I like all the ones that don't have plastic

Bernina 820 vintage, white Feather Weight and Singer 201 electric

some close seconds Singer 301, Singer 15-91, Singer 401, Singer Rocketteer, Elna, Pfaff, 201 hand cranck, Singer 15 treadle and a red eye in the nices cabinet just for eye candy

Oh I love them all.

If push came to shove, in a house fire, I'd save the 301's, then the FW's and then the Occupied Japan Bel Air and the very vintage Bernina. My very most favorite machine is my Rebeckah, my 301.

Chris

Lots of you like the 301. It's a machine I haven't come across in the UK. Is that because I haven't looked hard enough or because they were not manufactured in the UK?

My Singer 301 and my Singer 201. Great machines!

oh this is a hard one. I am very partial to my Singer 15's. One is a 1946, the other was born in 1951. They are my go to machine. I have the 301's and a 66, and a 99. Heck, they are all good.

I LOVE my 301's! Great for piecing and freemotion. Got rid of all my Featherweights soon after I started sewing with the 301. They're a tad heavier than the FW but ten times the machine!! So much easier to see the needle for threading is an added bonus. As for treadles I keep a 15-88 set up for FM and another treadle has a 201 ready for all other treadle sewing. Also like my 201 hand crank.