Hi! I'm about to buy some shoes and wonder if anyone is familiar with the following shoes. 1) Yonex SHB-89L (women) size 7.5 UK for £29.99 GBP. 2) Hi-tec Viper 400:3 (men) size 7 UK for £29.99 GBP. 3) Hi-tec Adrenalin Venom XP (women) size 6.5 UK for £20.99 GBP 4) Hi-tec Adrenalin Venom XP (men) size 6.5 UK for £23.99 GBP Last pair I've been using was Yonex SHB-58M EX, size 7 (UK). Do you think any of these would be OK as replacements, are they smaller/larger cmp to my old shoes. My problem is that I can't test them (internet order). Otherwise I'll just go with Yonex SHB-89MG size 7 (UK) for £39.99 GBP (tested). But it would be nice to save 10 pounds or more..... / mats