Yes, in Cyprus you can do the same, but company operation costs of a CY Ltd are much higher than a UK Ltd. SLP is fine, it's a good structure, though its functionality depends on who you appoint as the additional partner. If you have a corporate entity as a member (preferably a GP, beneficial for achieving full limited liability), it makes banking more difficult. Otherwise, you need to have another person there, which might make banking easier – but the availability depends on your case.
Yes, the cases are quite similar.
Hong Kong works, and since you can prove there isn't activity taking place locally, and you don't need to pay tax elsewhere either, there shouldn't be any problems in applying for offshore status. Otherwise, you need to pay 8.25-16.5% in taxes.
Although the costs are high, yes. You have more expensive accounting, formation, renewal, address, etc. costs than other places, and you also need to pass an audit. Banking is relatively OK but mostly with EMIs/MSOs.