Guys just relax, if you like N97, buy it, if you like i8910 buy it. Simple as that. Nokia knows what they are doing. Yes i8910 has better specs but IMO N97 will sell more. I'll buy both, try them out and keep the one with fewer bugs.
I've i8510 and it's still the best camera phone out there with amazing build quality and I only paid 450$ for 16gb version, but it has bugs and I don't argue back to my pals who owns n85 and claim it has better camera and build quality than i8510.
Different people, different opinions, in general people don't like hearing negative stuff about something they shelled 400$ on!
Nokia have qualified Engineers so if they use the same CPU, they must have a reason, we cannot tell for sure, may be cutting cost.Their are more plastic phones manufactured then metal.Why? Plastic costs less. Simple!
I hear you guys, I know Nokia N series lately are not up to par, specifically in terms of build quality. I use E71 even though I'm heavy camera user, because I don't like the ''feel'' of using n85 especially when I paid 400$ for it. It creaks like hell!
From what I've seen, i8910 will have better build quality and no moving parts. Again, I'll use both the phones heavily and sell the one! Both are good phones and with superb potential.