i bought PreSonus Firepod in 2009, and it still works great, i also use it as a mixer for powered speakers for live band rehearsals or for smaller gigs.
It's been a very good device for me as a direct input to Apple's Garage Band... very intuitive unit. It is a bit outdated, but i still use it on my old MacBook to record projects.
The only issue i've always had is it has a split second of latency when adding electronic drums (Roland TD3) to an existing project.... for example, if I want to layer, guitar, bass, vocals, drums etc, i need to lay the drum track 1st to avoid any latency.... If i lay a guitar track first to build a song and lay electronic drums later, i get the latency, which sucks.... (BTW, i experience no electronic drum latency when I use the unit for live performances, only when recording. Thus i suspect it's a lag btw the TD3, to the PreSonus Unit, to Garage Band), i think it's a Garage Band issue, since other similar interfaces have also caused me latency issues....
Therefore, i always lay the drum track 1st then go back and add other instruments. I experience no latency with anything else except when recording from my electronic drum set....
Good luck.