I use these cards on my A1200s and they're fantastic for getting your Amiga online! They also work with the A600, and I know lots of people are going to want to try something other than WHDLoad games when they get their new ACA030 accelerators so why not have a go at getting the old girl on the net so you can play some Dynamite with us 
Off topic, but you mentioned 030 Amigas and the web: I have an Amiga 1200HD/40 with a Blizzard (I think) 030/ 50MHz card in it in storage at the moment (been there for several years

but will be out shortly

!). How well will this setup surf the web? What kind of web browsers are available? I figure it won't do web video (heck, my Mac PowerBook 400MHz won't do web video!) but can it do other modern web stuff like HTML 5, etc?