One would hope they'll do more than talk. If they don't have a close to fully functional hands on with the new UI / tablet, I think end of May / beginning of June is going to be rather unrealistic and see a lot of very disappointed faces ...

I'm looking forward to see how Samsung are going to separate the Galaxy S6 and S Edge in terms of size, spec and marketing. Both should be pretty amazing in performance and battery life terms, using the latest AMOLED screens, LPDDR4 and 14nm FINFET (rumoured) Exynos chips. Will also be curious to see if many competitors announce phones with Exynos chips, or if they'll all just go with Mediatek if not using QC.

Also keen to see how good the latest HTC flagships will be, and whether they can justify the price premium over both their mid range phones and the many Chinese flagships.

Don't think Sony or LG will have much exciting. Both seem to have been screwed by the Snapdragon 810 (and 610 / 615) issues.

Sharp may finally announce a full range for US / EU, which would be fun.

Huawei's latest dual camera phone (which provides surprisingly amazing results) supposedly won't be there, but will have their own in-house 'Kirin' chipset on TSMC's 16nm FINFET process and based on A57 cores.

I'll be curious to see how high Xiaomi go with the international (and domestic) prices of their new flagships. I think they're treading a fine line where people may desert them. There are so many good Chinese OEMs now.

As for Jolla, aside from the previously mentioned, I hope Saarnio wasn't bullshitting in his interview pre-Xmas and they actually do have a hardware partner (or partners) finally, and we see a well specced premium device from a Chinese OEM with quick availability.

P.S. Almost forgot. Will be very curious to see Ubuntu Phone(s). Hopefully Bq, Meizu and LeTV will all have devices there. I'm beginning to feel more optimistic about it after seeing the 'desktop' UI mode they recently introduced.