My DD has been in the Stokke with the bassinet conversion. We absolutely love it. she is 2.5 and still in it ( removed front panel to make toddler bed). Expecting bub2 soon so she will go into her "big girl" bed now. We did debate getting the jnr bed conversion, but decided it wasn't worth it 1.) price 2.) too narrow as a bed and she probably won't be in it for too long? 3.) would need to get new mattress - they are not cheap! 4.) DD actually wants a "big girl" bed now and not the cot. Congrats on your purchase - it's a great cot. and yes, I would get the stokke mattress.