Best tealights (including unscented, please)

[ifIwerenotanandroid]

I use wax melts & am having difficulty finding unscented tealights that have good reviews. Any recommendations?

Supplementary Q's:
Any good electric wax melt warmers?

And any nice Christmassy tealights? Last year I used St Eval & they were lovely. I think they were Wild Thyme & Orange and Cinnamon. I'd really like to find something that smells like a real Christmas tree.

For plain ones, I buy bags of 100 from IKEA.

I buy the chunky ones from home bargains, think they have normal 8hr burn time ones and 12hr, the 12hr ones are great!