Yeah, thanks a lot community...

HTC Touch HD

• + best display resolution
• * patches: HTC Touch HD Gets Two New Updates
• + 5MP camera

Samsung i900 WiTu

• + better camera than the HTC HD
• - odd resolution, 240x400

HTC's Iolite

• - no North American version: A First Look at the HTC Iolite
• - 3.2 megapixel camera
• + 103g, 102 mm x 53.5 mm x 14.5 mm

Sony XPERIA

• - will apparently be discontinued
• manufactured by HTC anyway

HTC Touch Diamond

• lighter than the Touch HD: 110g
• - smaller screen than HD
• - lower camera resolution

Android

• - no on-screen keyboard (must slide and use the physical keyboard)
• Google Android: T-Mobile G1 Google Android Phone Review
• G1 Google Phone vs iPhone - A Side By Side Comparison | GAB