The truck has been in service now for nigh on 20 years, and as near as I know, the Marines are quite happy with them. They've been through a few upgrades at this point, for example, now all LAV-25s have thermal sights, which was not the case originally. During the 1991 Khafji fight, only the LAV-ATs had thermals, which slightly reduced the effectiveness of the 25mms. (They were shooting at tanks, so the 25mm wouldn't have done a hell of a lot anyway)
82nd Airborne used them for a short stint as well, designated M1047, I saw some Army LAV-25s in Panama and in the 1991 Gulf War. I presume experience from that led to the concept of the Stryker BCTs. I don't know what happened them actually, they might have been sold on to the Corps. They really only differed from USMC machines in ammunition stowage.
People will most obviously compare the LAV-25 (LAV-II) with the Stryker (LAV-III). People that only take a glancing interest will see that the -25 is an older, cheaper machine, with the same number of wheels, swimming ability, a much bigger gun, and similar armour, and wonder why the Army got robbed with Stryker. LAV-25 is almost a wheeled IFV, call it a light, fast, quiet Bradley without missiles. Stryker is an APC, not an IFV, and it sacrifices a much smaller turret in favour of the ability to carry twice as many troops, and so is designed to be used in a different manner.
NTM