If you have a TK Maxx near you, msr, they may have what you need. Often they have a range of excellent cookware for bargain prices. Alternatively, use a pestle and mortar for even better results -- the oils of the peppercorns are activated with the 'bruising' when using pestle.
If there is a WMF shop near you, they do them in sizes from normal right up to polaris missile.
A slightly cheaper alternative is to buy the Jamie Oliver pepper corns in a glass jar that already has the grinder attached. The grinder is quite cheap and cheerful but cracks the pepper really well into quite large chunks, which i really like.