Singer 4423 Heavy duty

They have them on Amazon.com for $129

I too saw the 4423 at Joann's yesterday for $169.99 on sale. Came home to find the same machine at Amazon and Newegg for $129.99. After struggling with my mom's hand-me-down Kenmore Model 1937 Zig*-Zag and how it seems to snap thread or not advance on thicker fabric near tie-outs, I think I'm in the market for a burlier machine.

After watching the Youtube videos mentioned where a yard stick is successfully sewn I know that it won't have troubles with tough fabrics. How will it do for extremely thin/slippery fabrics such as 1.1oz silnylon or even 20D/10D/8D/7D fabrics? Can it do both with ease or is this machine more suited for sewing denim and canvas?

Yeah, the YouTube videos are pretty crazy. If this machine can do all that, I'm in for one, just wish someone on here could give me some hands on feed back on how they actualy do work.

Some pretty unflattering reviews on Amazon.

I would not buy a Singer

My kids have a new Singer and it is a POS

They are not the machines they once were.

I have one of the singer HD machines. Overall it's not a bad machine, but I am not a huge fan of the feed on it. It seems to not like thinner fabrics and hates silnylon.
I hate the pedal control. It is way too stiff and has very little space between not moving and full speed.
If I were in the market I would try to find a local sewing machine repair shop and get their input based on what you want to use it for. That may not be an option, but give it a shot if possible. Like many things, you get what you pay for with these machines.