Definitely! I do also have a personal interest to learn more about Ardor and Nxt, as I do with IOTA what brings a new concept to validate transactions called tangled. Litecoin will need a lot of time to do the review since it's a very old coin and there is tons of material to study about, so please don't expect LTC review soon, however, I'm studying it as well.
RE: Proposal for cryptocurrencies reviews