don't you get the 1M voucher? if i'm not mistaken you could buy those things using that. i'm thinking on buying a new stet too.
at least you have rm300 for all the things. i'm quite lucky that i got my stet from my uncle, tendon hammer fr my aunt, so i just bought torchlite and measuring tape, which only cost me around rm20.
am not sure about the M stet. kalau kat sini majoriti students and doctors pakai littman la. but from what i've learnt so far, dengar x dengar tu depends on kita yang examine la. sbb you'll learn a lot of sounds, sampai susah nak differentiate. kalau takat normal heart beat dgn bowel sound tu x de masalah.