Things don't have to be labelled a satellite in order for them to work like a satellite in your mind. Lots of people for instance just play sides, and treat any decent payout as a satellite into the Main event. Or you could back a 20/1 horse for enough ££ to "award" a seat. Tier by 10 and let it ride twice... all satellites really.
I've played some really hyper-turbo satellites that were quite enjoyable, always fun watching someone spending £600 and still not winning a seat to the £500 event.. However, others were complaining that the satellite structure was too fast...(errr... it's a satellite, did you want 30k, all the levels and an hour clock??) and I've played a really slow satellite which was so painful to sit in, a 20/1 horse sounded like a great idea by comparison.
As to which ones are best, can't help there
But anything offering a couple of seats as an overlay would be a good place to start.