The draft and trade caper is all about what you get for what you give up. Melksham is a largely known quantity with both good and bad attributes. Would ye be better than some on our list? Yes. Would he be guaranteed best 22? No. Would he improve our depth? Depends on who else goes out and in.
I would make the assumption that McKenzie, Riley, Terlich et al will be gone anyway and replaced with top 40ish pick in the draft. The likes of Brayshaw, Stretch and ANB based on last year's draft. So who would Melksham really be replacing? Is he an updgrade on Matt Jones and Bail? Probably. Watts, Garland or Howe? Probably not.
It's ridiculous to compare this situation with Garlett who was also a known quantity (a 40-goal a year forward for most of his career) and one that we picked up for steak knives. And it's even more ridiculous to compare him with an A-grade midfielder who will instantly transform our best 22.
Like RPFC said... meh. Should be one of those late trade period resolutions once you can see where the dust has settled on everyone else.