I'm in the same camp with twintips. For the coin I went Longhunter. For smaller packs and loads looking to do probably the umlindy (sp?) From HPG.
I favor HPG's top-loading pack with a compression panel (Tara Pocket) system over any packbag Kifaru makes. I have an old G1 Longhunter so equipped. Looking to get a Bikini frame and compare. Kifaru hipbelts carry like nothing else does, IMO. I think the HPG Prarie Belt will be equally comfortable but I haven't tried it yet. I plan to get one for my old Longhunter.
