Actually I tell a lie, after about 8 weeks we put sleepyhead into a travel cot in our room as it wasn't a waste of money buying a travel cot as we knew we'd use it for a couple of years after. You could start straight away with a sleepyhead in a travel cot?
Why don't you just use your baby box to see what baby prefers, if they are happy enough in the baby box order your crib, if not go for the other option. Personally I would go with the travel cot with a bassinet instead of the next to me type crib (of you have the room for it) as you will get better use out of it.
I used a snuzpod with sleepyhead in it. I didn't have the side down on the snuzpod as my bed was too high. If I could do it again, I would just use a normal cotbed with a sleepyhead. Makes no difference what the sleepyhead is in really.
I didn't need or use a sleepyhead. I too fell for the marketing and peer pressure and thought that sleepyheads were a must have item. Turns out my baby slept fine without it. We had a Moses basket for the first 10 weeks then a cot bed. if you have amazon prime you can always get stuff last minute when your baby is actually born.
I'm in a similar position and going with Ikea cot that can have one side down (so good from 0 - 3ish) and a second hand Sleepyhead. (After some research it seems they're fine to use between more than one child.)
I am also so confused! We have a cotbed on order but I really wanted a snuzpod. I also have seen loads of people saying baby either didn't like the moses basket or grew out of it really quickly. It just seems like a lot of money for the snuzpod but then moses baskets with stands aren't that much cheaper!
One thing I have just ordered is the cosydream by babymoov, similar thing to the sleepy head (and safe for overnight sleeps) and only £40.
If you're short on space in your room try a space saver cot, they can be built with 3 sides meaning you have a bigger space and a co-sleeper.
Try just the cot first as your baby might be perfectly happy sleeping flat which renders the sleepyhead a rather expensive decorative cushion!
My DD was (still is 4 years on actually) very high needs and wouldn't be put down but I didn't have the money to try any of the cushions so my HV suggested putting my £10 vcushion inside a pillow case and lying baby on top wedging her in the space. It did the same job and worked wonders
We have a bednest rental arriving this week (37 weeks) for first 6 months in our room as a cot won't fit etcetc
We were going to have the battered old moses basket on its 7th baby for any downstairs sleep (I can but hope!!), passed around BIL&SIL friends but that didn't quite happen and they've very very kindly bought us a new moses basket with a rocking stand. Now just to hope this isn't a big baby so we get some use out of it!
It's ten years since I had a baby and we didn't have sleepyheads then. Our babies slept ok (or not). If I was doing it again I'd get one for co sleeping and otherwise try your box plan first. Two of mine slept best in carry cots, one like a basket. Babies are all different.