The 1/32 Spad XIII will be Hobbycraft HC1687 or HC1688. If it's Roden, it's a Spad VII. The HC Spads are like the "new mold" 1/32 HC Camels (Le Rhone & Clerget): nothing better 'til WnW produces one.
There's one (HC1688) on ebay right now: $45.29 with free shipping from the UK. . .