Perhaps a humanist sans with somewhat cursive flavoured italics?

• FF Nexus Sans by Martin Majoor, available from FontFont
• Fresco Sans by Fred Smeijers, available from OurType
• Sebastian by František Štorm, available from Storm Type
• Lisboa by Ricardo Santos, available from Fountain Type
• FF Legato by the late Evert Bloesma, available from FontFont
• Expo Sans by Mark Jamra, available from Type Culture
• Relato Sans by Eduardo Manso, available from Emtype

Auto by Underware has 3 italics for you to choose from.