patricej

i have the studio cutter. i don't regret buying it but don't use it as often as i thought i would.

the upside? it will cut through 8 layers of good fabric. there is a decent selection of shapes and sizes.
i have made 3 double wedding ring quilts and cut the pieces for a friend to make hers. i doubt i'd ever have made a DWR bigger than a table runner if i'd had to cut those pieces by hand.
as i get older [and older, and older, and ...] even though pushing the fabric and die through the roller is work, it's better than standing for ages and cutting everything by hand.

downside? price and weight. the cutter is very heavy so needs its own, permanent location in your work area. the dies are made mostly of wood so the bigger ones are pretty hefty, too.

the Go cutters are lighter, but you're lucky if you can get a clean cut on as many as four layers. otherwise the upsides are the same for any of the cutter or die models. the are also expensive - as are the dies.
a Go cutter cannot use studio dies, but there are adapter boards that enable you to use the go dies on the studio cutter.

my friend bought the electric model and loves it. i confess, if the electric cutter had been available when i bought mine i'd have gotten that one even though it would mean cutting fewer pieces at a time,

first question to ask yourself is whether the cutter and dies fit into your budget. the go through the selection of dies and try to think objectively about how often you'd use it. we can offer you all sorts of opinions and advice but only you know whether you'd be "just buying" it to rarely use or investing in it to save time and effort over the long haul.