I do like the new sprue, I think an update could have gone a little further, it's not exactly an overhaul just a token few extra bits, but then on the whole I guess it alleviates that situation of "oh god the old ones I like are going OOP so I need to buy them ASAP". Good that they've included it in the base kit too and it's not like an upgrade sprue to buy separately, though not good in the price change. I'm guessing it's still a set of 10 as well and it's not shot up to 15-20? (ha! one can dream!)
IG are my big collection in 40K and I was actually contemplating whether to strip them back, re-head or re-arm a few guys and possibly even change my colour scheme, I think this new sprue has made my decision for me and at some point when I move back to my IG I'll definitely be ringing in the changes, it'll be a shame to lose what I'd already worked on but in the grand scheme it's not a huge amount and I can right some of the wrongs at the same time.
Fingers crossed for some other new updates too, though I'm not too sure what they could add to the existing range. Will they re-do Catachans? Would they introduce plastic kits for Valhallans, Tallarn, Mordians or maybe Tanith Ghosts? Are there any popular IG regiments knocking about in the current novel series' that might get a look-in? Scions are the new 'stormtroopers' so I doubt they'd offer any changes there. Hmm, who knows what the future holds for the humble guardsman.
Anyway, best way was always and will always be to buy IG in bulk. Get the combat patrol/ battleforce/ something fancy detachment platoon thingy whatever is current at the time and you will always save a few £££, even better if you can get them discounted in the first place.