Don't know about the recaro, but the britax marathon is great! I really like the true side impact protection (TSIP)
http://www.britaxusa.net/products/360_boulevard.aspx
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Steve
'68 Camaro - 355", TKO600, SpeedTech Arms, ATS-AFX Spindles, Hotchkis Springs, Forgeline Wheels, C5 Brakes (Kore3), Holley Terminator EFI
Check it out Here