I couldn't stand the legibility issue with GW-9400-1B (even on broad broad daylight!). Bought a positive display version GW-9400-1 yesterday. I'm happier now! Here's a picture of them next to each other
Casio GW-9400-1ER | Helveti.eu
Amazon.com: Motaney for Casio G Shock GW 9400 Bull Bar, Compatible with GW- 9400 Series Watch Stainless Steel Protection Bumper, Cool Looking Wire Guard Screen Protector : Cell Phones & Accessories