With the closure of DPReview coming closer every day, I've gone back to some of the cameras I loved while I was on that site the most.
My Casio Z750, a tiny 7.2mp camera from 2005, had to be fully charged as the batteries were completely run down. The last time I used it, according to the photos on the card, was in mid 2016, and probably around 2010 before that. No IBIS, a maximum usable ISO of 400, but a rather sharp lens and a very small footprint. And now that I understand shutter speed and white balance better, I'm taking better photos with it. It has a lot of unique features, and I might make a thread about it.
I also charged the Canon S90 from 2009. This was the camera I wished the Z750 had been, with a 28mm equivalent lens with f2 aperture and even better movie mode. But the auto exposure errs on the side of ISO 100, which means a LOT of slow shutter and blurry images. And the movie mode is frankly pants compared with even my Samsung phone from 2017. But the raw files are reasonable, and the colours are very appealing.
My Fuji F30 (2007) is also working well, and I'm about to fire up the Sigma DP1 (2008). I might as well get the Canon 30D (2006) going again, too.